63172067008 has 56 divisors (see below), whose sum is σ = 132507532800. Its totient is φ = 29798270208.

The previous prime is 63172066939. The next prime is 63172067047. The reversal of 63172067008 is 80076027136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181941 + ... + 399307.

Almost surely, 2^63172067008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63172067008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66253766400).

63172067008 is an abundant number, since it is smaller than the sum of its proper divisors (69335465792).

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

63172067008 is a wasteful number, since it uses less digits than its factorization.

63172067008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217637 (or 217627 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 63172067008 in words is "sixty-three billion, one hundred seventy-two million, sixty-seven thousand, eight".