22966625664 has 96 divisors (see below), whose sum is σ = 66240860400. Its totient is φ = 7637935104.

The previous prime is 22966625663. The next prime is 22966625701. The reversal of 22966625664 is 46652666922.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 22966625664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22966625663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483022 + ... + 528434.

Almost surely, 2^22966625664 is an apocalyptic number.

22966625664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22966625664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33120430200).

22966625664 is an abundant number, since it is smaller than the sum of its proper divisors (43274234736).

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

22966625664 is a wasteful number, since it uses less digits than its factorization.

22966625664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45872 (or 45857 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 22966625664 in words is "twenty-two billion, nine hundred sixty-six million, six hundred twenty-five thousand, six hundred sixty-four".