68326899696 has 120 divisors (see below), whose sum is σ = 208712378160. Its totient is φ = 20694374400.

The previous prime is 68326899679. The next prime is 68326899701. The reversal of 68326899696 is 69699862386.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3362206 + ... + 3382466.

It is an arithmetic number, because the mean of its divisors is an integer number (1739269818).

Almost surely, 2^68326899696 is an apocalyptic number.

68326899696 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68326899696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104356189080).

68326899696 is an abundant number, since it is smaller than the sum of its proper divisors (140385478464).

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

68326899696 is a wasteful number, since it uses less digits than its factorization.

68326899696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22415 (or 22406 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 72.

The spelling of 68326899696 in words is "sixty-eight billion, three hundred twenty-six million, eight hundred ninety-nine thousand, six hundred ninety-six".