It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 024 642 is not a prime number.
For example, 164 024 642 can be divided by 2: 164 024 642 / 2 = 82 012 321.
For 164 024 642 to be a prime number, it would have been required that 164 024 642 has only two divisors, i.e., itself and 1.
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164 024 642 is an even number, because it is evenly divisible by 2: 164 024 642 / 2 = 82 012 321.
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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 164 024 642 is about 12 807.211.
Thus, the square root of 164 024 642 is not an integer, and therefore 164 024 642 is not a square number.
The square of a number (here 164 024 642) is the result of the product of this number (164 024 642) by itself (i.e., 164 024 642 × 164 024 642); the square of 164 024 642 is sometimes called "raising 164 024 642 to the power 2", or "164 024 642 squared".
The square of 164 024 642 is 26 904 083 183 228 164 because 164 024 642 × 164 024 642 = 164 024 6422 = 26 904 083 183 228 164.
As a consequence, 164 024 642 is the square root of 26 904 083 183 228 164.
164 024 642 is a number with 9 digits.
The multiples of 164 024 642 are all integers evenly divisible by 164 024 642, that is all numbers such that the remainder of the division by 164 024 642 is zero. There are infinitely many multiples of 164 024 642. The smallest multiples of 164 024 642 are: