320689819416 has 16 divisors (see below), whose sum is σ = 801724548600. Its totient is φ = 106896606464.

The previous prime is 320689819381. The next prime is 320689819441. The reversal of 320689819416 is 614918986023.

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, 6681037881 + ... + 6681037928.

Almost surely, 2^320689819416 is an apocalyptic number.

It is an amenable number.

320689819416 is an abundant number, since it is smaller than the sum of its proper divisors (481034729184).

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

320689819416 is a wasteful number, since it uses less digits than its factorization.

320689819416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362075818 (or 13362075814 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 320689819416 in words is "three hundred twenty billion, six hundred eighty-nine million, eight hundred nineteen thousand, four hundred sixteen".