68896199808 has 192 divisors, whose sum is σ = 206693061120. Its totient is φ = 22843192320.

The previous prime is 68896199711. The next prime is 68896199819. The reversal of 68896199808 is 80899169886.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5935066 + ... + 5946662.

It is an arithmetic number, because the mean of its divisors is an integer number (1076526360).

Almost surely, 2^68896199808 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 68896199808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103346530560).

68896199808 is an abundant number, since it is smaller than the sum of its proper divisors (137796861312).

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

68896199808 is a wasteful number, since it uses less digits than its factorization.

68896199808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817 (or 11793 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 72.

The spelling of 68896199808 in words is "sixty-eight billion, eight hundred ninety-six million, one hundred ninety-nine thousand, eight hundred eight".