11667695928 has 64 divisors (see below), whose sum is σ = 34411653120. Its totient is φ = 3226089600.

The previous prime is 11667695881. The next prime is 11667695933. The reversal of 11667695928 is 82959676611.

It is a super-2 number, since 2×11667695928² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114963 + ... + 1125378.

It is an arithmetic number, because the mean of its divisors is an integer number (537682080).

Almost surely, 2^11667695928 is an apocalyptic number.

It is an amenable number.

11667695928 is an abundant number, since it is smaller than the sum of its proper divisors (22743957192).

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

11667695928 is a wasteful number, since it uses less digits than its factorization.

11667695928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240388 (or 2240384 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 60.

The spelling of 11667695928 in words is "eleven billion, six hundred sixty-seven million, six hundred ninety-five thousand, nine hundred twenty-eight".