164607570561 has 32 divisors (see below), whose sum is σ = 259062489088. Its totient is φ = 90977800320.

The previous prime is 164607570553. The next prime is 164607570679. The reversal of 164607570561 is 165075706461.

It is not a de Polignac number, because 164607570561 - 2³ = 164607570553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164607570561.

It is not an unprimeable number, because it can be changed into a prime (164607570551) 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, 1147701 + ... + 1283133.

It is an arithmetic number, because the mean of its divisors is an integer number (8095702784).

Almost surely, 2^164607570561 is an apocalyptic number.

It is an amenable number.

164607570561 is a deficient number, since it is larger than the sum of its proper divisors (94454918527).

164607570561 is a wasteful number, since it uses less digits than its factorization.

164607570561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137341.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 164607570561 in words is "one hundred sixty-four billion, six hundred seven million, five hundred seventy thousand, five hundred sixty-one".