164356564089 has 16 divisors (see below), whose sum is σ = 219426685632. Its totient is φ = 109428840768.

The previous prime is 164356564079. The next prime is 164356564093. The reversal of 164356564089 is 980465653461.

It is not a de Polignac number, because 164356564089 - 2⁹ = 164356563577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164356564039) 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, 7699459 + ... + 7720775.

It is an arithmetic number, because the mean of its divisors is an integer number (13714167852).

Almost surely, 2^164356564089 is an apocalyptic number.

It is an amenable number.

164356564089 is a deficient number, since it is larger than the sum of its proper divisors (55070121543).

164356564089 is a wasteful number, since it uses less digits than its factorization.

164356564089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24536.

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 164356564089 in words is "one hundred sixty-four billion, three hundred fifty-six million, five hundred sixty-four thousand, eighty-nine".