68818882626 has 96 divisors (see below), whose sum is σ = 169915898880. Its totient is φ = 19955289600.

The previous prime is 68818882621. The next prime is 68818882661. The reversal of 68818882626 is 62628881886.

It is not an unprimeable number, because it can be changed into a prime (68818882621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 808666 + ... + 889706.

It is an arithmetic number, because the mean of its divisors is an integer number (1769957280).

Almost surely, 2^68818882626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68818882626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84957949440).

68818882626 is an abundant number, since it is smaller than the sum of its proper divisors (101097016254).

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

68818882626 is a wasteful number, since it uses less digits than its factorization.

68818882626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81272 (or 81269 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 63.

The spelling of 68818882626 in words is "sixty-eight billion, eight hundred eighteen million, eight hundred eighty-two thousand, six hundred twenty-six".