22761730164 has 24 divisors (see below), whose sum is σ = 53658239488. Its totient is φ = 7509024000.

The previous prime is 22761730139. The next prime is 22761730169. The reversal of 22761730164 is 46103716722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22761730169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9776212 + ... + 9778539.

Almost surely, 2^22761730164 is an apocalyptic number.

It is an amenable number.

22761730164 is an abundant number, since it is smaller than the sum of its proper divisors (30896509324).

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

22761730164 is a wasteful number, since it uses less digits than its factorization.

22761730164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19554855 (or 19554853 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 22761730164 in words is "twenty-two billion, seven hundred sixty-one million, seven hundred thirty thousand, one hundred sixty-four".