It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 166 264 602 is not a prime number.
For example, 166 264 602 can be divided by 2: 166 264 602 / 2 = 83 132 301.
For 166 264 602 to be a prime number, it would have been required that 166 264 602 has only two divisors, i.e., itself and 1.
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166 264 602 is an even number, because it is evenly divisible by 2: 166 264 602 / 2 = 83 132 301.
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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 166 264 602 is about 12 894.363.
Thus, the square root of 166 264 602 is not an integer, and therefore 166 264 602 is not a square number.
The square of a number (here 166 264 602) is the result of the product of this number (166 264 602) by itself (i.e., 166 264 602 × 166 264 602); the square of 166 264 602 is sometimes called "raising 166 264 602 to the power 2", or "166 264 602 squared".
The square of 166 264 602 is 27 643 917 878 218 404 because 166 264 602 × 166 264 602 = 166 264 6022 = 27 643 917 878 218 404.
As a consequence, 166 264 602 is the square root of 27 643 917 878 218 404.
166 264 602 is a number with 9 digits.
The multiples of 166 264 602 are all integers evenly divisible by 166 264 602, that is all numbers such that the remainder of the division by 166 264 602 is zero. There are infinitely many multiples of 166 264 602. The smallest multiples of 166 264 602 are: