63916181676 has 96 divisors (see below), whose sum is σ = 170577247680. Its totient is φ = 20687726592.

The previous prime is 63916181671. The next prime is 63916181717. The reversal of 63916181676 is 67618161936.

63916181676 is a `hidden beast` number, since 6 + 3 + 9 + 1 + 618 + 16 + 7 + 6 = 666.

63916181676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (63916181671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497670 + ... + 612786.

It is an arithmetic number, because the mean of its divisors is an integer number (1776846330).

Almost surely, 2^63916181676 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 63916181676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85288623840).

63916181676 is an abundant number, since it is smaller than the sum of its proper divisors (106661066004).

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

63916181676 is a wasteful number, since it uses less digits than its factorization.

63916181676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115280 (or 115272 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 63916181676 in words is "sixty-three billion, nine hundred sixteen million, one hundred eighty-one thousand, six hundred seventy-six".