63149264172 has 48 divisors (see below), whose sum is σ = 163734036480. Its totient is φ = 21047990544.

The previous prime is 63149264161. The next prime is 63149264197. The reversal of 63149264172 is 27146294136.

63149264172 is a `hidden beast` number, since 6 + 31 + 492 + 64 + 1 + 72 = 666.

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, 2204413 + ... + 2232875.

It is an arithmetic number, because the mean of its divisors is an integer number (3411125760).

Almost surely, 2^63149264172 is an apocalyptic number.

It is an amenable number.

63149264172 is an abundant number, since it is smaller than the sum of its proper divisors (100584772308).

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

63149264172 is a wasteful number, since it uses less digits than its factorization.

63149264172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49019 (or 49011 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The spelling of 63149264172 in words is "sixty-three billion, one hundred forty-nine million, two hundred sixty-four thousand, one hundred seventy-two".