11668738185984 has 144 divisors (see below), whose sum is σ = 33880981639680. Its totient is φ = 3535787028480.

The previous prime is 11668738185869. The next prime is 11668738185991. The reversal of 11668738185984 is 48958183786611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256112134 + ... + 256157690.

It is an arithmetic number, because the mean of its divisors is an integer number (235284594720).

Almost surely, 2^{11668738185984} is an apocalyptic number.

It is an amenable number.

11668738185984 is an abundant number, since it is smaller than the sum of its proper divisors (22212243453696).

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

11668738185984 is a wasteful number, since it uses less digits than its factorization.

11668738185984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75906 (or 75892 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 75.

The spelling of 11668738185984 in words is "eleven trillion, six hundred sixty-eight billion, seven hundred thirty-eight million, one hundred eighty-five thousand, nine hundred eighty-four".