It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 338 is not a prime number.
For example, 164 338 can be divided by 2: 164 338 / 2 = 82 169.
For 164 338 to be a prime number, it would have been required that 164 338 has only two divisors, i.e., itself and 1.
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164 338 is an even number, because it is evenly divisible by 2: 164 338 / 2 = 82 169.
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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 164 338 is about 405.386.
Thus, the square root of 164 338 is not an integer, and therefore 164 338 is not a square number.
The square of a number (here 164 338) is the result of the product of this number (164 338) by itself (i.e., 164 338 × 164 338); the square of 164 338 is sometimes called "raising 164 338 to the power 2", or "164 338 squared".
The square of 164 338 is 27 006 978 244 because 164 338 × 164 338 = 164 3382 = 27 006 978 244.
As a consequence, 164 338 is the square root of 27 006 978 244.
The multiples of 164 338 are all integers evenly divisible by 164 338, that is all numbers such that the remainder of the division by 164 338 is zero. There are infinitely many multiples of 164 338. The smallest multiples of 164 338 are: