11777636168 has 16 divisors (see below), whose sum is σ = 22457358000. Its totient is φ = 5789007376.

The previous prime is 11777636147. The next prime is 11777636177. The reversal of 11777636168 is 86163677711.

It is a happy 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, 12475838 + ... + 12476781.

It is an arithmetic number, because the mean of its divisors is an integer number (1403584875).

Almost surely, 2^11777636168 is an apocalyptic number.

It is an amenable number.

11777636168 is a deficient number, since it is larger than the sum of its proper divisors (10679721832).

11777636168 is a wasteful number, since it uses less digits than its factorization.

11777636168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24952684 (or 24952680 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 53.

The spelling of 11777636168 in words is "eleven billion, seven hundred seventy-seven million, six hundred thirty-six thousand, one hundred sixty-eight".