22166155165 has 24 divisors (see below), whose sum is σ = 33414111360. Its totient is φ = 13817860320.

The previous prime is 22166155159. The next prime is 22166155189. The reversal of 22166155165 is 56155166122.

It is not a de Polignac number, because 22166155165 - 2²¹ = 22164058013 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 23 ways as a sum of consecutive naturals, for example, 2612785 + ... + 2621254.

It is an arithmetic number, because the mean of its divisors is an integer number (1392254640).

Almost surely, 2^22166155165 is an apocalyptic number.

It is an amenable number.

22166155165 is a deficient number, since it is larger than the sum of its proper divisors (11247956195).

22166155165 is a wasteful number, since it uses less digits than its factorization.

22166155165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234073 (or 5234062 counting only the distinct ones).

The product of its digits is 108000, while the sum is 40.

The spelling of 22166155165 in words is "twenty-two billion, one hundred sixty-six million, one hundred fifty-five thousand, one hundred sixty-five".