11655682160 has 20 divisors (see below), whose sum is σ = 27099461208. Its totient is φ = 4662272832.

The previous prime is 11655682123. The next prime is 11655682187. The reversal of 11655682160 is 6128655611.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×11655682160² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 72847934 + ... + 72848093.

Almost surely, 2^11655682160 is an apocalyptic number.

11655682160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11655682160 is an abundant number, since it is smaller than the sum of its proper divisors (15443779048).

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

11655682160 is a wasteful number, since it uses less digits than its factorization.

11655682160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145696040 (or 145696034 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 11655682160 in words is "eleven billion, six hundred fifty-five million, six hundred eighty-two thousand, one hundred sixty".