23668569957966 has 64 divisors (see below), whose sum is σ = 52202180782080. Its totient is φ = 7120832796000.

The previous prime is 23668569957931. The next prime is 23668569957971. The reversal of 23668569957966 is 66975996586632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17323780 + ... + 18640023.

It is an arithmetic number, because the mean of its divisors is an integer number (815659074720).

Almost surely, 2^{23668569957966} is an apocalyptic number.

23668569957966 is an abundant number, since it is smaller than the sum of its proper divisors (28533610824114).

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

23668569957966 is a wasteful number, since it uses less digits than its factorization.

23668569957966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35964101.

The product of its digits is 47617113600, while the sum is 87.

The spelling of 23668569957966 in words is "twenty-three trillion, six hundred sixty-eight billion, five hundred sixty-nine million, nine hundred fifty-seven thousand, nine hundred sixty-six".