3215115916 has 12 divisors (see below), whose sum is σ = 5627600440. Its totient is φ = 1607230080.

The previous prime is 3215115899. The next prime is 3215115923. The reversal of 3215115916 is 6195115123.

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, 59205 + ... + 99676.

Almost surely, 2^3215115916 is an apocalyptic number.

It is an amenable number.

3215115916 is a deficient number, since it is larger than the sum of its proper divisors (2412484524).

3215115916 is a wasteful number, since it uses less digits than its factorization.

3215115916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163944 (or 163942 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 3215115916 is about 56701.9921695878. The cubic root of 3215115916 is about 1475.9292684529.

The spelling of 3215115916 in words is "three billion, two hundred fifteen million, one hundred fifteen thousand, nine hundred sixteen".