63181198080 has 864 divisors, whose sum is σ = 293558952960. Its totient is φ = 12116459520.

The previous prime is 63181198061. The next prime is 63181198097. The reversal of 63181198080 is 8089118136.

63181198080 is a `hidden beast` number, since 631 + 8 + 1 + 1 + 9 + 8 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11528781 + ... + 11534259.

Almost surely, 2^63181198080 is an apocalyptic number.

63181198080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63181198080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146779476480).

63181198080 is an abundant number, since it is smaller than the sum of its proper divisors (230377754880).

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

63181198080 is a wasteful number, since it uses less digits than its factorization.

63181198080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 63181198080 in words is "sixty-three billion, one hundred eighty-one million, one hundred ninety-eight thousand, eighty".