11664866776 has 32 divisors (see below), whose sum is σ = 22012885440. Its totient is φ = 5794887168.

The previous prime is 11664866771. The next prime is 11664866777. The reversal of 11664866776 is 67766846611.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11664866776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664866771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782545 + ... + 797311.

It is an arithmetic number, because the mean of its divisors is an integer number (687902670).

Almost surely, 2^11664866776 is an apocalyptic number.

It is an amenable number.

11664866776 is a deficient number, since it is larger than the sum of its proper divisors (10348018664).

11664866776 is a wasteful number, since it uses less digits than its factorization.

11664866776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403 (or 15399 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The spelling of 11664866776 in words is "eleven billion, six hundred sixty-four million, eight hundred sixty-six thousand, seven hundred seventy-six".