63221625792 has 224 divisors, whose sum is σ = 203937168960. Its totient is φ = 19085414400.

The previous prime is 63221625767. The next prime is 63221625823. The reversal of 63221625792 is 29752612236.

63221625792 is a `hidden beast` number, since 63 + 2 + 2 + 16 + 2 + 579 + 2 = 666.

63221625792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1164042 + ... + 1217142.

It is an arithmetic number, because the mean of its divisors is an integer number (910433790).

Almost surely, 2^63221625792 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 63221625792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101968584480).

63221625792 is an abundant number, since it is smaller than the sum of its proper divisors (140715543168).

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

63221625792 is a wasteful number, since it uses less digits than its factorization.

63221625792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53188 (or 53172 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 63221625792 in words is "sixty-three billion, two hundred twenty-one million, six hundred twenty-five thousand, seven hundred ninety-two".