63198020233728 has 160 divisors (see below), whose sum is σ = 198074678123520. Its totient is φ = 19826829803520.

The previous prime is 63198020233687. The next prime is 63198020233763. The reversal of 63198020233728 is 82733202089136.

63198020233728 is a `hidden beast` number, since 6 + 3 + 1 + 9 + 80 + 202 + 337 + 28 = 666.

It is a super-2 number, since 2×63198020233728² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134224288 + ... + 134694303.

It is an arithmetic number, because the mean of its divisors is an integer number (1237966738272).

Almost surely, 2^{63198020233728} is an apocalyptic number.

63198020233728 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

63198020233728 is an abundant number, since it is smaller than the sum of its proper divisors (134876657889792).

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

63198020233728 is a wasteful number, since it uses less digits than its factorization.

63198020233728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268918635 (or 268918613 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 63198020233728 in words is "sixty-three trillion, one hundred ninety-eight billion, twenty million, two hundred thirty-three thousand, seven hundred twenty-eight".