63305164673872 has 80 divisors (see below), whose sum is σ = 133877958547968. Its totient is φ = 28759195722240.

The previous prime is 63305164673827. The next prime is 63305164673981. The reversal of 63305164673872 is 27837646150336.

It is a self number, because there is not a number n which added to its sum of digits gives 63305164673872.

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, 2875797138 + ... + 2875819150.

Almost surely, 2^{63305164673872} is an apocalyptic number.

It is an amenable number.

63305164673872 is an abundant number, since it is smaller than the sum of its proper divisors (70572793874096).

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

63305164673872 is a wasteful number, since it uses less digits than its factorization.

63305164673872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30308 (or 30302 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 61.

The spelling of 63305164673872 in words is "sixty-three trillion, three hundred five billion, one hundred sixty-four million, six hundred seventy-three thousand, eight hundred seventy-two".