63071612172 has 48 divisors (see below), whose sum is σ = 163543413600. Its totient is φ = 21020731200.

The previous prime is 63071612167. The next prime is 63071612251. The reversal of 63071612172 is 27121617036.

It is a happy number.

63071612172 is a `hidden beast` number, since 6 + 30 + 7 + 1 + 612 + 1 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 749422 + ... + 829322.

It is an arithmetic number, because the mean of its divisors is an integer number (3407154450).

Almost surely, 2^63071612172 is an apocalyptic number.

It is an amenable number.

63071612172 is an abundant number, since it is smaller than the sum of its proper divisors (100471801428).

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

63071612172 is a wasteful number, since it uses less digits than its factorization.

63071612172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87223 (or 87215 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 63071612172 in words is "sixty-three billion, seventy-one million, six hundred twelve thousand, one hundred seventy-two".