68916388744320 has 512 divisors, whose sum is σ = 244824225408000. Its totient is φ = 16372513898496.

The previous prime is 68916388744249. The next prime is 68916388744337. The reversal of 68916388744320 is 2344788361986.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1946388057 + ... + 1946423463.

It is an arithmetic number, because the mean of its divisors is an integer number (478172315250).

Almost surely, 2^{68916388744320} is an apocalyptic number.

68916388744320 is a gapful number since it is divisible by the number (60) 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 68916388744320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122412112704000).

68916388744320 is an abundant number, since it is smaller than the sum of its proper divisors (175907836663680).

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

68916388744320 is a wasteful number, since it uses less digits than its factorization.

68916388744320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160 (or 38148 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 69.

The spelling of 68916388744320 in words is "sixty-eight trillion, nine hundred sixteen billion, three hundred eighty-eight million, seven hundred forty-four thousand, three hundred twenty".