256701696 has 36 divisors (see below), whose sum is σ = 683202912. Its totient is φ = 85566976.

The previous prime is 256701637. The next prime is 256701713. The reversal of 256701696 is 696107652.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166356 + ... + 167891.

Almost surely, 2^256701696 is an apocalyptic number.

It is an amenable number.

256701696 is an abundant number, since it is smaller than the sum of its proper divisors (426501216).

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

256701696 is an equidigital number, since it uses as much as digits as its factorization.

256701696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334266 (or 334252 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 256701696 is about 16021.9129943961. The cubic root of 256701696 is about 635.5400337075.

The spelling of 256701696 in words is "two hundred fifty-six million, seven hundred one thousand, six hundred ninety-six".