11659116660 has 48 divisors (see below), whose sum is σ = 33180709632. Its totient is φ = 3058128000.

The previous prime is 11659116641. The next prime is 11659116697. The reversal of 11659116660 is 6661195611.

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, 1589116 + ... + 1596435.

It is an arithmetic number, because the mean of its divisors is an integer number (691264784).

Almost surely, 2^11659116660 is an apocalyptic number.

11659116660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11659116660 is an abundant number, since it is smaller than the sum of its proper divisors (21521592972).

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

11659116660 is a wasteful number, since it uses less digits than its factorization.

11659116660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185624 (or 3185622 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 11659116660 in words is "eleven billion, six hundred fifty-nine million, one hundred sixteen thousand, six hundred sixty".