320669876496 has 40 divisors (see below), whose sum is σ = 833025120480. Its totient is φ = 106292805376.

The previous prime is 320669876491. The next prime is 320669876533. The reversal of 320669876496 is 694678966023.

It is not an unprimeable number, because it can be changed into a prime (320669876491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18652365 + ... + 18669548.

It is an arithmetic number, because the mean of its divisors is an integer number (20825628012).

Almost surely, 2^320669876496 is an apocalyptic number.

It is an amenable number.

320669876496 is an abundant number, since it is smaller than the sum of its proper divisors (512355243984).

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

320669876496 is a wasteful number, since it uses less digits than its factorization.

320669876496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37322103 (or 37322097 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 66.

The spelling of 320669876496 in words is "three hundred twenty billion, six hundred sixty-nine million, eight hundred seventy-six thousand, four hundred ninety-six".