68168936960 has 40 divisors (see below), whose sum is σ = 163445683896. Its totient is φ = 27267573760.

The previous prime is 68168936893. The next prime is 68168936999. The reversal of 68168936960 is 6963986186.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 68168936893 and 68168936902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13311686 + ... + 13316805.

Almost surely, 2^68168936960 is an apocalyptic number.

It is an amenable number.

68168936960 is an abundant number, since it is smaller than the sum of its proper divisors (95276746936).

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

68168936960 is an equidigital number, since it uses as much as digits as its factorization.

68168936960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26628514 (or 26628498 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 68168936960 in words is "sixty-eight billion, one hundred sixty-eight million, nine hundred thirty-six thousand, nine hundred sixty".