63316374172 has 12 divisors (see below), whose sum is σ = 113798348440. Its totient is φ = 30802560336.

The previous prime is 63316374151. The next prime is 63316374179. The reversal of 63316374172 is 27147361336.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63316374179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213906522 + ... + 213906817.

Almost surely, 2^63316374172 is an apocalyptic number.

It is an amenable number.

63316374172 is a deficient number, since it is larger than the sum of its proper divisors (50481974268).

63316374172 is a wasteful number, since it uses less digits than its factorization.

63316374172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427813380 (or 427813378 counting only the distinct ones).

The product of its digits is 381024, while the sum is 43.

The spelling of 63316374172 in words is "sixty-three billion, three hundred sixteen million, three hundred seventy-four thousand, one hundred seventy-two".