2160215816 has 32 divisors (see below), whose sum is σ = 4474569600. Its totient is φ = 969483840.

The previous prime is 2160215767. The next prime is 2160215843. The reversal of 2160215816 is 6185120612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148415 + ... + 162318.

It is an arithmetic number, because the mean of its divisors is an integer number (139830300).

Almost surely, 2^2160215816 is an apocalyptic number.

It is an amenable number.

2160215816 is an abundant number, since it is smaller than the sum of its proper divisors (2314353784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2160215816 is a wasteful number, since it uses less digits than its factorization.

2160215816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310829 (or 310825 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 2160215816 is about 46478.1219069790. The cubic root of 2160215816 is about 1292.7038645740.

The spelling of 2160215816 in words is "two billion, one hundred sixty million, two hundred fifteen thousand, eight hundred sixteen".