22665649936164 has 12 divisors (see below), whose sum is σ = 52886516517744. Its totient is φ = 7555216645384.

The previous prime is 22665649936157. The next prime is 22665649936177. The reversal of 22665649936164 is 46163994656622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22665649936164² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944402080662 + ... + 944402080685.

It is an arithmetic number, because the mean of its divisors is an integer number (4407209709812).

Almost surely, 2^{22665649936164} is an apocalyptic number.

It is an amenable number.

22665649936164 is an abundant number, since it is smaller than the sum of its proper divisors (30220866581580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22665649936164 is a wasteful number, since it uses less digits than its factorization.

22665649936164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888804161354 (or 1888804161352 counting only the distinct ones).

The product of its digits is 604661760, while the sum is 69.

The spelling of 22665649936164 in words is "twenty-two trillion, six hundred sixty-five billion, six hundred forty-nine million, nine hundred thirty-six thousand, one hundred sixty-four".