22131566159472 has 320 divisors, whose sum is σ = 81042875781120. Its totient is φ = 5614773292800.

The previous prime is 22131566159407. The next prime is 22131566159497. The reversal of 22131566159472 is 27495166513122.

22131566159472 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 1 + 566 + 1 + 5 + 9 + 4 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6306054 + ... + 9166757.

It is an arithmetic number, because the mean of its divisors is an integer number (253258986816).

Almost surely, 2^{22131566159472} is an apocalyptic number.

22131566159472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22131566159472 is an abundant number, since it is smaller than the sum of its proper divisors (58911309621648).

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

22131566159472 is a wasteful number, since it uses less digits than its factorization.

22131566159472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472889 (or 15472877 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 22131566159472 in words is "twenty-two trillion, one hundred thirty-one billion, five hundred sixty-six million, one hundred fifty-nine thousand, four hundred seventy-two".