256163126632562 has 64 divisors (see below), whose sum is σ = 419175154151424. Its totient is φ = 117075877490880.

The previous prime is 256163126632559. The next prime is 256163126632591. The reversal of 256163126632562 is 265236621361652.

It is a junction number, because it is equal to n+sod(n) for n = 256163126632498 and 256163126632507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27751373 + ... + 35811519.

It is an arithmetic number, because the mean of its divisors is an integer number (6549611783616).

Almost surely, 2^{256163126632562} is an apocalyptic number.

256163126632562 is a deficient number, since it is larger than the sum of its proper divisors (163012027518862).

256163126632562 is a wasteful number, since it uses less digits than its factorization.

256163126632562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060543.

The product of its digits is 27993600, while the sum is 56.

The spelling of 256163126632562 in words is "two hundred fifty-six trillion, one hundred sixty-three billion, one hundred twenty-six million, six hundred thirty-two thousand, five hundred sixty-two".