320783657160 has 64 divisors (see below), whose sum is σ = 962392881600. Its totient is φ = 85538583296.

The previous prime is 320783657141. The next prime is 320783657171. The reversal of 320783657160 is 61756387023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3733807 + ... + 3818753.

It is an arithmetic number, because the mean of its divisors is an integer number (15037388775).

Almost surely, 2^320783657160 is an apocalyptic number.

320783657160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320783657160 is an abundant number, since it is smaller than the sum of its proper divisors (641609224440).

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

320783657160 is a wasteful number, since it uses less digits than its factorization.

320783657160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116430 (or 116426 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 320783657160 in words is "three hundred twenty billion, seven hundred eighty-three million, six hundred fifty-seven thousand, one hundred sixty".