22566445441664 has 32 divisors (see below), whose sum is σ = 44961615332640. Its totient is φ = 11281961593600.

The previous prime is 22566445441633. The next prime is 22566445441691. The reversal of 22566445441664 is 46614454466522.

It is a tau number, because it is divible by the number of its divisors (32).

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, 8702354 + ... + 10993809.

It is an arithmetic number, because the mean of its divisors is an integer number (1405050479145).

Almost surely, 2^{22566445441664} is an apocalyptic number.

It is an amenable number.

22566445441664 is a deficient number, since it is larger than the sum of its proper divisors (22395169890976).

22566445441664 is an equidigital number, since it uses as much as digits as its factorization.

22566445441664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19705128 (or 19705116 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 59.

The spelling of 22566445441664 in words is "twenty-two trillion, five hundred sixty-six billion, four hundred forty-five million, four hundred forty-one thousand, six hundred sixty-four".