132661665336402 has 24 divisors (see below), whose sum is σ = 288150400285020. Its totient is φ = 44110279411200.

The previous prime is 132661665336397. The next prime is 132661665336407. The reversal of 132661665336402 is 204633566166231.

132661665336402 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 6 + 1 + 66 + 533 + 6 + 40 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (132661665336397) and next prime (132661665336407).

It can be written as a sum of positive squares in 2 ways, for example, as 123361428298761 + 9300237037641 = 11106819^2 + 3049629^2 .

It is not an unprimeable number, because it can be changed into a prime (132661665336407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9189634327 + ... + 9189648762.

Almost surely, 2^{132661665336402} is an apocalyptic number.

132661665336402 is an abundant number, since it is smaller than the sum of its proper divisors (155488734948618).

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

132661665336402 is a wasteful number, since it uses less digits than its factorization.

132661665336402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18379283498 (or 18379283495 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 54.

The spelling of 132661665336402 in words is "one hundred thirty-two trillion, six hundred sixty-one billion, six hundred sixty-five million, three hundred thirty-six thousand, four hundred two".