132661656 has 24 divisors (see below), whose sum is σ = 359292180. Its totient is φ = 44220528.

The previous prime is 132661651. The next prime is 132661657. The reversal of 132661656 is 656166231.

132661656 is a `hidden beast` number, since 1 + 32 + 6 + 616 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×132661656² = 35198229945324672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 132661656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132661651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 921190 + ... + 921333.

Almost surely, 2^132661656 is an apocalyptic number.

It is an amenable number.

132661656 is an abundant number, since it is smaller than the sum of its proper divisors (226630524).

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

132661656 is a wasteful number, since it uses less digits than its factorization.

132661656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842535 (or 1842528 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 132661656 is about 11517.8841806992. The cubic root of 132661656 is about 510.0136559204.

The spelling of 132661656 in words is "one hundred thirty-two million, six hundred sixty-one thousand, six hundred fifty-six".