2164830256 has 20 divisors (see below), whose sum is σ = 4215442000. Its totient is φ = 1076974272.

The previous prime is 2164830229. The next prime is 2164830271. The reversal of 2164830256 is 6520384612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336771 + ... + 343138.

It is an arithmetic number, because the mean of its divisors is an integer number (210772100).

Almost surely, 2^2164830256 is an apocalyptic number.

It is an amenable number.

2164830256 is a deficient number, since it is larger than the sum of its proper divisors (2050611744).

2164830256 is a wasteful number, since it uses less digits than its factorization.

2164830256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680116 (or 680110 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2164830256 is about 46527.7364160347. The cubic root of 2164830256 is about 1293.6236587992.

The spelling of 2164830256 in words is "two billion, one hundred sixty-four million, eight hundred thirty thousand, two hundred fifty-six".