256111796 has 12 divisors (see below), whose sum is σ = 448307748. Its totient is φ = 128023872.

The previous prime is 256111787. The next prime is 256111819. The reversal of 256111796 is 697111652.

It can be written as a sum of positive squares in 2 ways, for example, as 209380900 + 46730896 = 14470^2 + 6836^2 .

It is a congruent number.

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, 26720 + ... + 35016.

It is an arithmetic number, because the mean of its divisors is an integer number (37358979).

Almost surely, 2^256111796 is an apocalyptic number.

It is an amenable number.

256111796 is a deficient number, since it is larger than the sum of its proper divisors (192195952).

256111796 is a wasteful number, since it uses less digits than its factorization.

256111796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16018 (or 16016 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The square root of 256111796 is about 16003.4932436640. The cubic root of 256111796 is about 635.0528370691.

The spelling of 256111796 in words is "two hundred fifty-six million, one hundred eleven thousand, seven hundred ninety-six".