132661462162640 has 80 divisors (see below), whose sum is σ = 313906217729616. Its totient is φ = 52126085222400.

The previous prime is 132661462162639. The next prime is 132661462162699. The reversal of 132661462162640 is 46261264166231.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 52596261419584 + 80065200743056 = 7252328^2 + 8947916^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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, 14147507 + ... + 21574866.

Almost surely, 2^{132661462162640} is an apocalyptic number.

132661462162640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132661462162640 is an abundant number, since it is smaller than the sum of its proper divisors (181244755566976).

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

132661462162640 is a wasteful number, since it uses less digits than its factorization.

132661462162640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35723208 (or 35723202 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 50.

The spelling of 132661462162640 in words is "one hundred thirty-two trillion, six hundred sixty-one billion, four hundred sixty-two million, one hundred sixty-two thousand, six hundred forty".