It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 165 702 is not a prime number.
For example, 165 702 can be divided by 2: 165 702 / 2 = 82 851.
For 165 702 to be a prime number, it would have been required that 165 702 has only two divisors, i.e., itself and 1.
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165 702 is an even number, because it is evenly divisible by 2: 165 702 / 2 = 82 851.
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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 165 702 is about 407.065.
Thus, the square root of 165 702 is not an integer, and therefore 165 702 is not a square number.
The square of a number (here 165 702) is the result of the product of this number (165 702) by itself (i.e., 165 702 × 165 702); the square of 165 702 is sometimes called "raising 165 702 to the power 2", or "165 702 squared".
The square of 165 702 is 27 457 152 804 because 165 702 × 165 702 = 165 7022 = 27 457 152 804.
As a consequence, 165 702 is the square root of 27 457 152 804.
The multiples of 165 702 are all integers evenly divisible by 165 702, that is all numbers such that the remainder of the division by 165 702 is zero. There are infinitely many multiples of 165 702. The smallest multiples of 165 702 are: