22661855918736 has 40 divisors (see below), whose sum is σ = 58544998665984. Its totient is φ = 7553710569600.

The previous prime is 22661855918677. The next prime is 22661855918783. The reversal of 22661855918736 is 63781955816622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6023040 + ... + 9033311.

Almost surely, 2^{22661855918736} is an apocalyptic number.

It is an amenable number.

22661855918736 is an abundant number, since it is smaller than the sum of its proper divisors (35883142747248).

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

22661855918736 is a wasteful number, since it uses less digits than its factorization.

22661855918736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15087719 (or 15087713 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 69.

The spelling of 22661855918736 in words is "twenty-two trillion, six hundred sixty-one billion, eight hundred fifty-five million, nine hundred eighteen thousand, seven hundred thirty-six".