3161925988 has 12 divisors (see below), whose sum is σ = 5959014460. Its totient is φ = 1459350432.

The previous prime is 3161925971. The next prime is 3161926037. The reversal of 3161925988 is 8895291613.

It can be written as a sum of positive squares in 2 ways, for example, as 611473984 + 2550452004 = 24728^2 + 50502^2 .

It is a super-2 number, since 2×3161925988² = 19995551907179552288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 60806269 = 3161925988 / (3 + 1 + 6 + 1 + 9 + 2 + 5 + 9 + 8 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30403083 + ... + 30403186.

Almost surely, 2^3161925988 is an apocalyptic number.

It is an amenable number.

3161925988 is a deficient number, since it is larger than the sum of its proper divisors (2797088472).

3161925988 is a wasteful number, since it uses less digits than its factorization.

3161925988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60806286 (or 60806284 counting only the distinct ones).

The product of its digits is 933120, while the sum is 52.

The square root of 3161925988 is about 56231.0055752162. The cubic root of 3161925988 is about 1467.7448550180.

The spelling of 3161925988 in words is "three billion, one hundred sixty-one million, nine hundred twenty-five thousand, nine hundred eighty-eight".