22979987686656 has 5184 divisors, whose sum is σ = 103035335510016. Its totient is φ = 4815794995200.

The previous prime is 22979987686567. The next prime is 22979987686681. The reversal of 22979987686656 is 65668678997922.

It is a super-2 number, since 2×22979987686656² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 314794351836 + ... + 314794351908.

It is an arithmetic number, because the mean of its divisors is an integer number (19875643424).

Almost surely, 2^{22979987686656} is an apocalyptic number.

22979987686656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22979987686656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51517667755008).

22979987686656 is an abundant number, since it is smaller than the sum of its proper divisors (80055347823360).

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

22979987686656 is a wasteful number, since it uses less digits than its factorization.

22979987686656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 194 counting only the distinct ones).

The product of its digits is 59256852480, while the sum is 90.

The spelling of 22979987686656 in words is "twenty-two trillion, nine hundred seventy-nine billion, nine hundred eighty-seven million, six hundred eighty-six thousand, six hundred fifty-six".