21596412672696 has 64 divisors (see below), whose sum is σ = 54762926964480. Its totient is φ = 7095927292160.

The previous prime is 21596412672643. The next prime is 21596412672739. The reversal of 21596412672696 is 69627621469512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6833260 + ... + 9480836.

It is an arithmetic number, because the mean of its divisors is an integer number (855670733820).

Almost surely, 2^{21596412672696} is an apocalyptic number.

It is an amenable number.

21596412672696 is an abundant number, since it is smaller than the sum of its proper divisors (33166514291784).

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

21596412672696 is a wasteful number, since it uses less digits than its factorization.

21596412672696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652444 (or 2652440 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 66.

The spelling of 21596412672696 in words is "twenty-one trillion, five hundred ninety-six billion, four hundred twelve million, six hundred seventy-two thousand, six hundred ninety-six".