11664156676 has 6 divisors (see below), whose sum is σ = 20412274190. Its totient is φ = 5832078336.

The previous prime is 11664156659. The next prime is 11664156703. The reversal of 11664156676 is 67665146611.

It can be written as a sum of positive squares in only one way, i.e., 11657520900 + 6635776 = 107970^2 + 2576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1458019581 + ... + 1458019588.

Almost surely, 2^11664156676 is an apocalyptic number.

It is an amenable number.

11664156676 is a deficient number, since it is larger than the sum of its proper divisors (8748117514).

11664156676 is a wasteful number, since it uses less digits than its factorization.

11664156676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916039173 (or 2916039171 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The spelling of 11664156676 in words is "eleven billion, six hundred sixty-four million, one hundred fifty-six thousand, six hundred seventy-six".