67468680816 has 20 divisors (see below), whose sum is σ = 174294092232. Its totient is φ = 22489560256.

The previous prime is 67468680779. The next prime is 67468680823. The reversal of 67468680816 is 61808686476.

It is a self number, because there is not a number n which added to its sum of digits gives 67468680816.

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, 702798711 + ... + 702798806.

Almost surely, 2^67468680816 is an apocalyptic number.

It is an amenable number.

67468680816 is an abundant number, since it is smaller than the sum of its proper divisors (106825411416).

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

67468680816 is a wasteful number, since it uses less digits than its factorization.

67468680816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405597528 (or 1405597522 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 67468680816 in words is "sixty-seven billion, four hundred sixty-eight million, six hundred eighty thousand, eight hundred sixteen".