It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 521 074 is not a prime number.
For example, 164 521 074 can be divided by 2: 164 521 074 / 2 = 82 260 537.
For 164 521 074 to be a prime number, it would have been required that 164 521 074 has only two divisors, i.e., itself and 1.
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164 521 074 is an even number, because it is evenly divisible by 2: 164 521 074 / 2 = 82 260 537.
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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 164 521 074 is about 12 826.577.
Thus, the square root of 164 521 074 is not an integer, and therefore 164 521 074 is not a square number.
The square of a number (here 164 521 074) is the result of the product of this number (164 521 074) by itself (i.e., 164 521 074 × 164 521 074); the square of 164 521 074 is sometimes called "raising 164 521 074 to the power 2", or "164 521 074 squared".
The square of 164 521 074 is 27 067 183 790 113 476 because 164 521 074 × 164 521 074 = 164 521 0742 = 27 067 183 790 113 476.
As a consequence, 164 521 074 is the square root of 27 067 183 790 113 476.
164 521 074 is a number with 9 digits.
The multiples of 164 521 074 are all integers evenly divisible by 164 521 074, that is all numbers such that the remainder of the division by 164 521 074 is zero. There are infinitely many multiples of 164 521 074. The smallest multiples of 164 521 074 are: