It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 160 742 018 is not a prime number.
For example, 160 742 018 can be divided by 2: 160 742 018 / 2 = 80 371 009.
For 160 742 018 to be a prime number, it would have been required that 160 742 018 has only two divisors, i.e., itself and 1.
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160 742 018 is an even number, because it is evenly divisible by 2: 160 742 018 / 2 = 80 371 009.
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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 160 742 018 is about 12 678.408.
Thus, the square root of 160 742 018 is not an integer, and therefore 160 742 018 is not a square number.
The square of a number (here 160 742 018) is the result of the product of this number (160 742 018) by itself (i.e., 160 742 018 × 160 742 018); the square of 160 742 018 is sometimes called "raising 160 742 018 to the power 2", or "160 742 018 squared".
The square of 160 742 018 is 25 837 996 350 712 324 because 160 742 018 × 160 742 018 = 160 742 0182 = 25 837 996 350 712 324.
As a consequence, 160 742 018 is the square root of 25 837 996 350 712 324.
160 742 018 is a number with 9 digits.
The multiples of 160 742 018 are all integers evenly divisible by 160 742 018, that is all numbers such that the remainder of the division by 160 742 018 is zero. There are infinitely many multiples of 160 742 018. The smallest multiples of 160 742 018 are: