11776165660 has 24 divisors (see below), whose sum is σ = 28262797920. Its totient is φ = 4037542464.

The previous prime is 11776165637. The next prime is 11776165721. The reversal of 11776165660 is 6656167711.

It is a self number, because there is not a number n which added to its sum of digits gives 11776165660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42057595 + ... + 42057874.

It is an arithmetic number, because the mean of its divisors is an integer number (1177616580).

Almost surely, 2^11776165660 is an apocalyptic number.

11776165660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11776165660 is an abundant number, since it is smaller than the sum of its proper divisors (16486632260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11776165660 is a wasteful number, since it uses less digits than its factorization.

11776165660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84115485 (or 84115483 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 11776165660 in words is "eleven billion, seven hundred seventy-six million, one hundred sixty-five thousand, six hundred sixty".