22561046453664 has 36 divisors (see below), whose sum is σ = 64157975853426. Its totient is φ = 7520348817792.

The previous prime is 22561046453633. The next prime is 22561046453711. The reversal of 22561046453664 is 46635464016522.

22561046453664 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 1 + 0 + 46 + 4 + 536 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22491382130064 + 69664323600 = 4742508^2 + 263940^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22561046453664.

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, 39168483139 + ... + 39168483714.

Almost surely, 2^{22561046453664} is an apocalyptic number.

22561046453664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22561046453664 is an abundant number, since it is smaller than the sum of its proper divisors (41596929399762).

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

22561046453664 is a wasteful number, since it uses less digits than its factorization.

22561046453664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78336966869 (or 78336966858 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 54.

The spelling of 22561046453664 in words is "twenty-two trillion, five hundred sixty-one billion, forty-six million, four hundred fifty-three thousand, six hundred sixty-four".