It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 165 264 is not a prime number.
For example, 165 264 can be divided by 2: 165 264 / 2 = 82 632.
For 165 264 to be a prime number, it would have been required that 165 264 has only two divisors, i.e., itself and 1.
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165 264 is an even number, because it is evenly divisible by 2: 165 264 / 2 = 82 632.
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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 165 264 is about 406.527.
Thus, the square root of 165 264 is not an integer, and therefore 165 264 is not a square number.
The square of a number (here 165 264) is the result of the product of this number (165 264) by itself (i.e., 165 264 × 165 264); the square of 165 264 is sometimes called "raising 165 264 to the power 2", or "165 264 squared".
The square of 165 264 is 27 312 189 696 because 165 264 × 165 264 = 165 2642 = 27 312 189 696.
As a consequence, 165 264 is the square root of 27 312 189 696.
The multiples of 165 264 are all integers evenly divisible by 165 264, that is all numbers such that the remainder of the division by 165 264 is zero. There are infinitely many multiples of 165 264. The smallest multiples of 165 264 are: