68004613426686 has 24 divisors (see below), whose sum is σ = 138353539912584. Its totient is φ = 22283997613200.

The previous prime is 68004613426681. The next prime is 68004613426721. The reversal of 68004613426686 is 68662431640086.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68004613426681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1627974265 + ... + 1628016036.

It is an arithmetic number, because the mean of its divisors is an integer number (5764730829691).

Almost surely, 2^{68004613426686} is an apocalyptic number.

68004613426686 is an abundant number, since it is smaller than the sum of its proper divisors (70348926485898).

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

68004613426686 is a wasteful number, since it uses less digits than its factorization.

68004613426686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255990424 (or 3255990365 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 60.

The spelling of 68004613426686 in words is "sixty-eight trillion, four billion, six hundred thirteen million, four hundred twenty-six thousand, six hundred eighty-six".