11667971696 has 20 divisors (see below), whose sum is σ = 22839756912. Its totient is φ = 5773840896.

The previous prime is 11667971683. The next prime is 11667971723. The reversal of 11667971696 is 69617976611.

It is a super-2 number, since 2×11667971696² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3757460 + ... + 3760563.

Almost surely, 2^11667971696 is an apocalyptic number.

11667971696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11667971696 is a deficient number, since it is larger than the sum of its proper divisors (11171785216).

11667971696 is an equidigital number, since it uses as much as digits as its factorization.

11667971696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518128 (or 7518122 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 59.

The spelling of 11667971696 in words is "eleven billion, six hundred sixty-seven million, nine hundred seventy-one thousand, six hundred ninety-six".