320216680804 has 12 divisors (see below), whose sum is σ = 589872833200. Its totient is φ = 151681585608.

The previous prime is 320216680787. The next prime is 320216680807. The reversal of 320216680804 is 408086612023.

It is not an unprimeable number, because it can be changed into a prime (320216680807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106688614 + ... + 2106688765.

Almost surely, 2^320216680804 is an apocalyptic number.

It is an amenable number.

320216680804 is a deficient number, since it is larger than the sum of its proper divisors (269656152396).

320216680804 is a wasteful number, since it uses less digits than its factorization.

320216680804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213377402 (or 4213377400 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 320216680804 in words is "three hundred twenty billion, two hundred sixteen million, six hundred eighty thousand, eight hundred four".