22660444512 has 36 divisors (see below), whose sum is σ = 64440639900. Its totient is φ = 7553481408.

The previous prime is 22660444453. The next prime is 22660444523. The reversal of 22660444512 is 21544406622.

22660444512 is a `hidden beast` number, since 2 + 2 + 6 + 604 + 4 + 45 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39340762 + ... + 39341337.

It is an arithmetic number, because the mean of its divisors is an integer number (1790017775).

Almost surely, 2^22660444512 is an apocalyptic number.

It is an amenable number.

22660444512 is an abundant number, since it is smaller than the sum of its proper divisors (41780195388).

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

22660444512 is a wasteful number, since it uses less digits than its factorization.

22660444512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78682115 (or 78682104 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 22660444512 in words is "twenty-two billion, six hundred sixty million, four hundred forty-four thousand, five hundred twelve".