132646407215668 has 24 divisors (see below), whose sum is σ = 232300859099400. Its totient is φ = 66274735177728.

The previous prime is 132646407215653. The next prime is 132646407215669. The reversal of 132646407215668 is 866512704646231.

It can be written as a sum of positive squares in 4 ways, for example, as 25135803927844 + 107510603287824 = 5013562^2 + 10368732^2 .

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132646407215669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299145868 + ... + 299588956.

It is an arithmetic number, because the mean of its divisors is an integer number (9679202462475).

Almost surely, 2^{132646407215668} is an apocalyptic number.

It is an amenable number.

132646407215668 is a deficient number, since it is larger than the sum of its proper divisors (99654451883732).

132646407215668 is a wasteful number, since it uses less digits than its factorization.

132646407215668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497619 (or 497617 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 132646407215668 in words is "one hundred thirty-two trillion, six hundred forty-six billion, four hundred seven million, two hundred fifteen thousand, six hundred sixty-eight".