11916583164 has 48 divisors (see below), whose sum is σ = 30942777600. Its totient is φ = 3966031728.

The previous prime is 11916583141. The next prime is 11916583171. The reversal of 11916583164 is 46138561911.

11916583164 is a `hidden beast` number, since 1 + 1 + 9 + 1 + 6 + 583 + 1 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15394 + ... + 155145.

It is an arithmetic number, because the mean of its divisors is an integer number (644641200).

Almost surely, 2^11916583164 is an apocalyptic number.

It is an amenable number.

11916583164 is an abundant number, since it is smaller than the sum of its proper divisors (19026194436).

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

11916583164 is a wasteful number, since it uses less digits than its factorization.

11916583164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171199 (or 171191 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The spelling of 11916583164 in words is "eleven billion, nine hundred sixteen million, five hundred eighty-three thousand, one hundred sixty-four".