22166685132185 has 16 divisors (see below), whose sum is σ = 29018417650560. Its totient is φ = 16121107962240.

The previous prime is 22166685132133. The next prime is 22166685132199. The reversal of 22166685132185 is 58123158666122.

It is a happy number.

It is not a de Polignac number, because 22166685132185 - 2²² = 22166680937881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22166685132185.

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 15 ways as a sum of consecutive naturals, for example, 6531524 + ... + 9327066.

It is an arithmetic number, because the mean of its divisors is an integer number (1813651103160).

Almost surely, 2^{22166685132185} is an apocalyptic number.

It is an amenable number.

22166685132185 is a deficient number, since it is larger than the sum of its proper divisors (6851732518375).

22166685132185 is a wasteful number, since it uses less digits than its factorization.

22166685132185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939728.

The product of its digits is 8294400, while the sum is 56.

The spelling of 22166685132185 in words is "twenty-two trillion, one hundred sixty-six billion, six hundred eighty-five million, one hundred thirty-two thousand, one hundred eighty-five".