21672124418914 has 32 divisors (see below), whose sum is σ = 33076277357760. Its totient is φ = 10648118863872.

The previous prime is 21672124418899. The next prime is 21672124418933. The reversal of 21672124418914 is 41981442127612.

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, 186627382 + ... + 186743470.

It is an arithmetic number, because the mean of its divisors is an integer number (1033633667430).

Almost surely, 2^{21672124418914} is an apocalyptic number.

21672124418914 is a deficient number, since it is larger than the sum of its proper divisors (11404152938846).

21672124418914 is a wasteful number, since it uses less digits than its factorization.

21672124418914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122194.

The product of its digits is 1548288, while the sum is 52.

The spelling of 21672124418914 in words is "twenty-one trillion, six hundred seventy-two billion, one hundred twenty-four million, four hundred eighteen thousand, nine hundred fourteen".