320928411660 has 24 divisors (see below), whose sum is σ = 898599552816. Its totient is φ = 85580909760.

The previous prime is 320928411659. The next prime is 320928411673. The reversal of 320928411660 is 66114829023.

It is a super-2 number, since 2×320928411660² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674403371 + ... + 2674403490.

It is an arithmetic number, because the mean of its divisors is an integer number (37441648034).

Almost surely, 2^320928411660 is an apocalyptic number.

320928411660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320928411660 is an abundant number, since it is smaller than the sum of its proper divisors (577671141156).

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

320928411660 is a wasteful number, since it uses less digits than its factorization.

320928411660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348806873 (or 5348806871 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 320928411660 in words is "three hundred twenty billion, nine hundred twenty-eight million, four hundred eleven thousand, six hundred sixty".