256168088 has 32 divisors (see below), whose sum is σ = 532872000. Its totient is φ = 114464160.

The previous prime is 256168069. The next prime is 256168093. The reversal of 256168088 is 880861652.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 19478 + ... + 29861.

It is an arithmetic number, because the mean of its divisors is an integer number (16652250).

Almost surely, 2^256168088 is an apocalyptic number.

It is an amenable number.

256168088 is an abundant number, since it is smaller than the sum of its proper divisors (276703912).

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

256168088 is a wasteful number, since it uses less digits than its factorization.

256168088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49415 (or 49411 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 256168088 is about 16005.2518880522. The cubic root of 256168088 is about 635.0993607306.

The spelling of 256168088 in words is "two hundred fifty-six million, one hundred sixty-eight thousand, eighty-eight".