109891924164 has 36 divisors (see below), whose sum is σ = 303035307120. Its totient is φ = 33300582960.

The previous prime is 109891924157. The next prime is 109891924223. The reversal of 109891924164 is 461429198901.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) 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 109891924164.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138752034 + ... + 138752825.

It is an arithmetic number, because the mean of its divisors is an integer number (8417647420).

Almost surely, 2^109891924164 is an apocalyptic number.

It is an amenable number.

109891924164 is an abundant number, since it is smaller than the sum of its proper divisors (193143382956).

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

109891924164 is a wasteful number, since it uses less digits than its factorization.

109891924164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277504880 (or 277504875 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 109891924164 in words is "one hundred nine billion, eight hundred ninety-one million, nine hundred twenty-four thousand, one hundred sixty-four".