256621160314 has 8 divisors (see below), whose sum is σ = 384994728180. Its totient is φ = 128289584256.

The previous prime is 256621160309. The next prime is 256621160339. The reversal of 256621160314 is 413061126652.

It can be written as a sum of positive squares in 2 ways, for example, as 256306275289 + 314885025 = 506267^2 + 17745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10482669 + ... + 10507120.

Almost surely, 2^256621160314 is an apocalyptic number.

256621160314 is a deficient number, since it is larger than the sum of its proper divisors (128373567866).

256621160314 is a wasteful number, since it uses less digits than its factorization.

256621160314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20995904.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 256621160314 its reverse (413061126652), we get a palindrome (669682286966).

The spelling of 256621160314 in words is "two hundred fifty-six billion, six hundred twenty-one million, one hundred sixty thousand, three hundred fourteen".