68712433188 has 96 divisors (see below), whose sum is σ = 192991626240. Its totient is φ = 18587802240.

The previous prime is 68712433157. The next prime is 68712433213. The reversal of 68712433188 is 88133421786.

It is a self number, because there is not a number n which added to its sum of digits gives 68712433188.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2878470 + ... + 2902242.

It is an arithmetic number, because the mean of its divisors is an integer number (2010329440).

Almost surely, 2^68712433188 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 68712433188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96495813120).

68712433188 is an abundant number, since it is smaller than the sum of its proper divisors (124279193052).

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

68712433188 is a wasteful number, since it uses less digits than its factorization.

68712433188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25617 (or 25615 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The spelling of 68712433188 in words is "sixty-eight billion, seven hundred twelve million, four hundred thirty-three thousand, one hundred eighty-eight".