11664318912 has 56 divisors (see below), whose sum is σ = 31857403392. Its totient is φ = 3762681600.

The previous prime is 11664318889. The next prime is 11664318959. The reversal of 11664318912 is 21981346611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973914 + ... + 985817.

Almost surely, 2^11664318912 is an apocalyptic number.

11664318912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11664318912 is an abundant number, since it is smaller than the sum of its proper divisors (20193084480).

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

11664318912 is a wasteful number, since it uses less digits than its factorization.

11664318912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959777 (or 1959767 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The spelling of 11664318912 in words is "eleven billion, six hundred sixty-four million, three hundred eighteen thousand, nine hundred twelve".