63172029144 has 64 divisors (see below), whose sum is σ = 180547107840. Its totient is φ = 18043591680.

The previous prime is 63172029127. The next prime is 63172029191. The reversal of 63172029144 is 44192027136.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 505384 + ... + 617864.

It is an arithmetic number, because the mean of its divisors is an integer number (2821048560).

Almost surely, 2^63172029144 is an apocalyptic number.

It is an amenable number.

63172029144 is an abundant number, since it is smaller than the sum of its proper divisors (117375078696).

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

63172029144 is a wasteful number, since it uses less digits than its factorization.

63172029144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115840 (or 115836 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 63172029144 in words is "sixty-three billion, one hundred seventy-two million, twenty-nine thousand, one hundred forty-four".