22166404156 has 48 divisors (see below), whose sum is σ = 43807881600. Its totient is φ = 9742505472.

The previous prime is 22166404109. The next prime is 22166404171. The reversal of 22166404156 is 65140466122.

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 15 ways as a sum of consecutive naturals, for example, 9405 + ... + 210763.

It is an arithmetic number, because the mean of its divisors is an integer number (912664200).

Almost surely, 2^22166404156 is an apocalyptic number.

22166404156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22166404156 is a deficient number, since it is larger than the sum of its proper divisors (21641477444).

22166404156 is a wasteful number, since it uses less digits than its factorization.

22166404156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201478 (or 201476 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 22166404156 in words is "twenty-two billion, one hundred sixty-six million, four hundred four thousand, one hundred fifty-six".