22971405663 has 6 divisors (see below), whose sum is σ = 33180919304. Its totient is φ = 15314270436.

The previous prime is 22971405643. The next prime is 22971405671. The reversal of 22971405663 is 36650417922.

It is not a de Polignac number, because 22971405663 - 2⁶ = 22971405599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22971405623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1276189195 + ... + 1276189212.

Almost surely, 2^22971405663 is an apocalyptic number.

22971405663 is a deficient number, since it is larger than the sum of its proper divisors (10209513641).

22971405663 is a wasteful number, since it uses less digits than its factorization.

22971405663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552378413 (or 2552378410 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 22971405663 in words is "twenty-two billion, nine hundred seventy-one million, four hundred five thousand, six hundred sixty-three".