320216477108 has 24 divisors (see below), whose sum is σ = 617257542720. Its totient is φ = 144139806720.

The previous prime is 320216477093. The next prime is 320216477129. The reversal of 320216477108 is 801774612023.

It is a super-2 number, since 2×320216477108² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35323853 + ... + 35332916.

It is an arithmetic number, because the mean of its divisors is an integer number (25719064280).

Almost surely, 2^320216477108 is an apocalyptic number.

It is an amenable number.

320216477108 is a deficient number, since it is larger than the sum of its proper divisors (297041065612).

320216477108 is a wasteful number, since it uses less digits than its factorization.

320216477108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70656887 (or 70656885 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 320216477108 in words is "three hundred twenty billion, two hundred sixteen million, four hundred seventy-seven thousand, one hundred eight".