64422475165 has 32 divisors (see below), whose sum is σ = 78427895040. Its totient is φ = 50797684224.

The previous prime is 64422475157. The next prime is 64422475177. The reversal of 64422475165 is 56157422446.

It is a cyclic number.

It is not a de Polignac number, because 64422475165 - 2³ = 64422475157 is a prime.

It is a congruent number.

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, 85101967 + ... + 85102723.

It is an arithmetic number, because the mean of its divisors is an integer number (2450871720).

Almost surely, 2^64422475165 is an apocalyptic number.

It is an amenable number.

64422475165 is a deficient number, since it is larger than the sum of its proper divisors (14005419875).

64422475165 is a wasteful number, since it uses less digits than its factorization.

64422475165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its digits is 1612800, while the sum is 46.

The spelling of 64422475165 in words is "sixty-four billion, four hundred twenty-two million, four hundred seventy-five thousand, one hundred sixty-five".