11656656168404 has 48 divisors (see below), whose sum is σ = 22401869426496. Its totient is φ = 5274579340800.

The previous prime is 11656656168397. The next prime is 11656656168427. The reversal of 11656656168404 is 40486165665611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7193237 + ... + 8663484.

It is an arithmetic number, because the mean of its divisors is an integer number (466705613052).

Almost surely, 2^{11656656168404} is an apocalyptic number.

It is an amenable number.

11656656168404 is a deficient number, since it is larger than the sum of its proper divisors (10745213258092).

11656656168404 is a wasteful number, since it uses less digits than its factorization.

11656656168404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15857016 (or 15857014 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 59.

The spelling of 11656656168404 in words is "eleven trillion, six hundred fifty-six billion, six hundred fifty-six million, one hundred sixty-eight thousand, four hundred four".