63378671184 has 320 divisors, whose sum is σ = 200120524800. Its totient is φ = 19128960000.

The previous prime is 63378671179. The next prime is 63378671221. The reversal of 63378671184 is 48117687336.

It is a super-2 number, since 2×63378671184² (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 63378671184.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21117684 + ... + 21120684.

It is an arithmetic number, because the mean of its divisors is an integer number (625376640).

Almost surely, 2^63378671184 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 63378671184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100060262400).

63378671184 is an abundant number, since it is smaller than the sum of its proper divisors (136741853616).

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

63378671184 is a wasteful number, since it uses less digits than its factorization.

63378671184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151 (or 3139 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 63378671184 in words is "sixty-three billion, three hundred seventy-eight million, six hundred seventy-one thousand, one hundred eighty-four".