44156633164 has 12 divisors (see below), whose sum is σ = 88313266384. Its totient is φ = 18924271344.

The previous prime is 44156633161. The next prime is 44156633177. The reversal of 44156633164 is 46133665144.

44156633164 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 44156633164.

It is not an unprimeable number, because it can be changed into a prime (44156633161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788511279 + ... + 788511334.

Almost surely, 2^44156633164 is an apocalyptic number.

It is an amenable number.

44156633164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

44156633164 is a wasteful number, since it uses less digits than its factorization.

44156633164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577022624 (or 1577022622 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The spelling of 44156633164 in words is "forty-four billion, one hundred fifty-six million, six hundred thirty-three thousand, one hundred sixty-four".