67681924264 has 16 divisors (see below), whose sum is σ = 127744031520. Its totient is φ = 33616849200.

The previous prime is 67681924229. The next prime is 67681924273. The reversal of 67681924264 is 46242918676.

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, 28012834 + ... + 28015249.

It is an arithmetic number, because the mean of its divisors is an integer number (7984001970).

Almost surely, 2^67681924264 is an apocalyptic number.

It is an amenable number.

67681924264 is a deficient number, since it is larger than the sum of its proper divisors (60062107256).

67681924264 is a wasteful number, since it uses less digits than its factorization.

67681924264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56028240 (or 56028236 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The spelling of 67681924264 in words is "sixty-seven billion, six hundred eighty-one million, nine hundred twenty-four thousand, two hundred sixty-four".