256656614116 has 30 divisors (see below), whose sum is σ = 523976095510. Its totient is φ = 109995687648.

The previous prime is 256656614101. The next prime is 256656614153. The reversal of 256656614116 is 611416656652.

256656614116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 150606086400 + 106050527716 = 388080^2 + 325654^2 .

It is a super-2 number, since 2×256656614116² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 256656614116.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13352361 + ... + 13371568.

Almost surely, 2^256656614116 is an apocalyptic number.

It is an amenable number.

256656614116 is an abundant number, since it is smaller than the sum of its proper divisors (267319481394).

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

256656614116 is an equidigital number, since it uses as much as digits as its factorization.

256656614116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26723961 (or 26723938 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The spelling of 256656614116 in words is "two hundred fifty-six billion, six hundred fifty-six million, six hundred fourteen thousand, one hundred sixteen".