256085158 has 16 divisors (see below), whose sum is σ = 439292160. Its totient is φ = 109678536.

The previous prime is 256085149. The next prime is 256085171. The reversal of 256085158 is 851580652.

256085158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 256085158.

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, 19833 + ... + 30091.

It is an arithmetic number, because the mean of its divisors is an integer number (27455760).

Almost surely, 2^256085158 is an apocalyptic number.

256085158 is a deficient number, since it is larger than the sum of its proper divisors (183207002).

256085158 is a wasteful number, since it uses less digits than its factorization.

256085158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12051.

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 256085158 is about 16002.6609662268. The cubic root of 256085158 is about 635.0308191792.

The spelling of 256085158 in words is "two hundred fifty-six million, eighty-five thousand, one hundred fifty-eight".