11668511164 has 12 divisors (see below), whose sum is σ = 20805175944. Its totient is φ = 5724175184.

The previous prime is 11668511147. The next prime is 11668511201. The reversal of 11668511164 is 46111586611.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 27519862 + ... + 27520285.

It is an arithmetic number, because the mean of its divisors is an integer number (1733764662).

Almost surely, 2^11668511164 is an apocalyptic number.

It is an amenable number.

11668511164 is a deficient number, since it is larger than the sum of its proper divisors (9136664780).

11668511164 is a wasteful number, since it uses less digits than its factorization.

11668511164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55040204 (or 55040202 counting only the distinct ones).

The product of its digits is 34560, while the sum is 40.

The spelling of 11668511164 in words is "eleven billion, six hundred sixty-eight million, five hundred eleven thousand, one hundred sixty-four".