22566665612052 has 96 divisors (see below), whose sum is σ = 62003174163840. Its totient is φ = 7073399416320.

The previous prime is 22566665612039. The next prime is 22566665612053. The reversal of 22566665612052 is 25021656666522.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 22566665612052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22566665612053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3451074 + ... + 7552697.

It is an arithmetic number, because the mean of its divisors is an integer number (645866397540).

Almost surely, 2^{22566665612052} is an apocalyptic number.

It is an amenable number.

22566665612052 is an abundant number, since it is smaller than the sum of its proper divisors (39436508551788).

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

22566665612052 is a wasteful number, since it uses less digits than its factorization.

22566665612052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11004918 (or 11004910 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 22566665612052 in words is "twenty-two trillion, five hundred sixty-six billion, six hundred sixty-five million, six hundred twelve thousand, fifty-two".