68806681422 has 32 divisors (see below), whose sum is σ = 142263142560. Its totient is φ = 22170862080.

The previous prime is 68806681397. The next prime is 68806681441. The reversal of 68806681422 is 22418660886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1256223 + ... + 1309850.

It is an arithmetic number, because the mean of its divisors is an integer number (4445723205).

Almost surely, 2^68806681422 is an apocalyptic number.

68806681422 is an abundant number, since it is smaller than the sum of its proper divisors (73456461138).

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

68806681422 is a wasteful number, since it uses less digits than its factorization.

68806681422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566228.

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 68806681422 in words is "sixty-eight billion, eight hundred six million, six hundred eighty-one thousand, four hundred twenty-two".