It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 201 616 is not a prime number.
For example, 264 201 616 can be divided by 2: 264 201 616 / 2 = 132 100 808.
For 264 201 616 to be a prime number, it would have been required that 264 201 616 has only two divisors, i.e., itself and 1.
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264 201 616 is an even number, because it is evenly divisible by 2: 264 201 616 / 2 = 132 100 808.
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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 264 201 616 is about 16 254.280.
Thus, the square root of 264 201 616 is not an integer, and therefore 264 201 616 is not a square number.
The square of a number (here 264 201 616) is the result of the product of this number (264 201 616) by itself (i.e., 264 201 616 × 264 201 616); the square of 264 201 616 is sometimes called "raising 264 201 616 to the power 2", or "264 201 616 squared".
The square of 264 201 616 is 69 802 493 897 011 456 because 264 201 616 × 264 201 616 = 264 201 6162 = 69 802 493 897 011 456.
As a consequence, 264 201 616 is the square root of 69 802 493 897 011 456.
264 201 616 is a number with 9 digits.
The multiples of 264 201 616 are all integers evenly divisible by 264 201 616, that is all numbers such that the remainder of the division by 264 201 616 is zero. There are infinitely many multiples of 264 201 616. The smallest multiples of 264 201 616 are: