It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 268 166 is not a prime number.
For example, 490 268 166 can be divided by 2: 490 268 166 / 2 = 245 134 083.
For 490 268 166 to be a prime number, it would have been required that 490 268 166 has only two divisors, i.e., itself and 1.
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490 268 166 is an even number, because it is evenly divisible by 2: 490 268 166 / 2 = 245 134 083.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 490 268 166 is about 22 142.000.
Thus, the square root of 490 268 166 is not an integer, and therefore 490 268 166 is not a square number.
The square of a number (here 490 268 166) is the result of the product of this number (490 268 166) by itself (i.e., 490 268 166 × 490 268 166); the square of 490 268 166 is sometimes called "raising 490 268 166 to the power 2", or "490 268 166 squared".
The square of 490 268 166 is 240 362 874 593 003 552 because 490 268 166 × 490 268 166 = 490 268 1662 = 240 362 874 593 003 552.
As a consequence, 490 268 166 is the square root of 240 362 874 593 003 552.
490 268 166 is a number with 9 digits.
The multiples of 490 268 166 are all integers evenly divisible by 490 268 166, that is all numbers such that the remainder of the division by 490 268 166 is zero. There are infinitely many multiples of 490 268 166. The smallest multiples of 490 268 166 are: