22158168844504 has 32 divisors (see below), whose sum is σ = 51798316780800. Its totient is φ = 8633052796320.

The previous prime is 22158168844447. The next prime is 22158168844517. The reversal of 22158168844504 is 40544886185122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17985526044 + ... + 17985527275.

It is an arithmetic number, because the mean of its divisors is an integer number (1618697399400).

Almost surely, 2^{22158168844504} is an apocalyptic number.

It is an amenable number.

22158168844504 is an abundant number, since it is smaller than the sum of its proper divisors (29640147936296).

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

22158168844504 is a wasteful number, since it uses less digits than its factorization.

22158168844504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35971053343 (or 35971053339 counting only the distinct ones).

The product of its (nonzero) digits is 19660800, while the sum is 58.

The spelling of 22158168844504 in words is "twenty-two trillion, one hundred fifty-eight billion, one hundred sixty-eight million, eight hundred forty-four thousand, five hundred four".