68319445194 has 192 divisors, whose sum is σ = 205389623040. Its totient is φ = 16380144000.

The previous prime is 68319445177. The next prime is 68319445217. The reversal of 68319445194 is 49154491386.

68319445194 is a `hidden beast` number, since 6 + 8 + 3 + 1 + 9 + 445 + 194 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 68319445194.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 537144 + ... + 652044.

It is an arithmetic number, because the mean of its divisors is an integer number (1069737620).

Almost surely, 2^68319445194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68319445194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102694811520).

68319445194 is an abundant number, since it is smaller than the sum of its proper divisors (137070177846).

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

68319445194 is a wasteful number, since it uses less digits than its factorization.

68319445194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114954 (or 114937 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 68319445194 in words is "sixty-eight billion, three hundred nineteen million, four hundred forty-five thousand, one hundred ninety-four".