256150388163 has 32 divisors (see below), whose sum is σ = 369886809600. Its totient is φ = 157143801600.

The previous prime is 256150388141. The next prime is 256150388209. The reversal of 256150388163 is 361883051652.

It is not a de Polignac number, because 256150388163 - 2²⁹ = 255613517251 is a prime.

It is a super-2 number, since 2×256150388163² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256150389163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295858 + ... + 774488.

It is an arithmetic number, because the mean of its divisors is an integer number (11558962800).

Almost surely, 2^256150388163 is an apocalyptic number.

256150388163 is a deficient number, since it is larger than the sum of its proper divisors (113736421437).

256150388163 is a wasteful number, since it uses less digits than its factorization.

256150388163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478923.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 256150388163 in words is "two hundred fifty-six billion, one hundred fifty million, three hundred eighty-eight thousand, one hundred sixty-three".