68395216078336 has 80 divisors (see below), whose sum is σ = 165366269693856. Its totient is φ = 27587986292736.

The previous prime is 68395216078333. The next prime is 68395216078417. The reversal of 68395216078336 is 63387061259386.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68395216078333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561218091 + ... + 561339946.

Almost surely, 2^{68395216078336} is an apocalyptic number.

It is an amenable number.

68395216078336 is an abundant number, since it is smaller than the sum of its proper divisors (96971053615520).

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

68395216078336 is a wasteful number, since it uses less digits than its factorization.

68395216078336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122558079 (or 1122558063 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 67.

The spelling of 68395216078336 in words is "sixty-eight trillion, three hundred ninety-five billion, two hundred sixteen million, seventy-eight thousand, three hundred thirty-six".