68195635216 has 80 divisors (see below), whose sum is σ = 137859926400. Its totient is φ = 32651494400.

The previous prime is 68195635181. The next prime is 68195635217. The reversal of 68195635216 is 61253659186.

It is not an unprimeable number, because it can be changed into a prime (68195635217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39902970 + ... + 39904678.

It is an arithmetic number, because the mean of its divisors is an integer number (1723249080).

Almost surely, 2^68195635216 is an apocalyptic number.

It is an amenable number.

68195635216 is an abundant number, since it is smaller than the sum of its proper divisors (69664291184).

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

68195635216 is a wasteful number, since it uses less digits than its factorization.

68195635216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848 (or 2842 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 52.

The spelling of 68195635216 in words is "sixty-eight billion, one hundred ninety-five million, six hundred thirty-five thousand, two hundred sixteen".