632166566463 has 24 divisors (see below), whose sum is σ = 935717402256. Its totient is φ = 411026140800.

The previous prime is 632166566417. The next prime is 632166566491. The reversal of 632166566463 is 364665661236.

It is a happy number.

632166566463 is a `hidden beast` number, since 6 + 3 + 2 + 16 + 6 + 566 + 4 + 63 = 666.

It is not a de Polignac number, because 632166566463 - 2¹⁴ = 632166550079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632166566413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807981 + ... + 1384617.

It is an arithmetic number, because the mean of its divisors is an integer number (38988225094).

Almost surely, 2^632166566463 is an apocalyptic number.

632166566463 is a deficient number, since it is larger than the sum of its proper divisors (303550835793).

632166566463 is a wasteful number, since it uses less digits than its factorization.

632166566463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579655 (or 579652 counting only the distinct ones).

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

The spelling of 632166566463 in words is "six hundred thirty-two billion, one hundred sixty-six million, five hundred sixty-six thousand, four hundred sixty-three".