164256502011 has 16 divisors (see below), whose sum is σ = 250303386624. Its totient is φ = 93857946624.

The previous prime is 164256501991. The next prime is 164256502073. The reversal of 164256502011 is 110205652461.

It is not a de Polignac number, because 164256502011 - 2⁵ = 164256501979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164256502411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701550 + ... + 905916.

It is an arithmetic number, because the mean of its divisors is an integer number (15643961664).

Almost surely, 2^164256502011 is an apocalyptic number.

164256502011 is a deficient number, since it is larger than the sum of its proper divisors (86046884613).

164256502011 is a wasteful number, since it uses less digits than its factorization.

164256502011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242650.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 164256502011 in words is "one hundred sixty-four billion, two hundred fifty-six million, five hundred two thousand, eleven".