63221116392 has 96 divisors (see below), whose sum is σ = 199847980800. Its totient is φ = 17678846592.

The previous prime is 63221116373. The next prime is 63221116397. The reversal of 63221116392 is 29361112236.

63221116392 is a `hidden beast` number, since 6 + 3 + 2 + 2 + 1 + 11 + 639 + 2 = 666.

It is a super-2 number, since 2×63221116392² (a number of 22 digits) contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (63221116397) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1310767 + ... + 1358142.

It is an arithmetic number, because the mean of its divisors is an integer number (2081749800).

Almost surely, 2^63221116392 is an apocalyptic number.

It is an amenable number.

63221116392 is an abundant number, since it is smaller than the sum of its proper divisors (136626864408).

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

63221116392 is a wasteful number, since it uses less digits than its factorization.

63221116392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668975 (or 2668968 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The spelling of 63221116392 in words is "sixty-three billion, two hundred twenty-one million, one hundred sixteen thousand, three hundred ninety-two".