320447375160 has 64 divisors (see below), whose sum is σ = 1048736868480. Its totient is φ = 77684211840.

The previous prime is 320447375141. The next prime is 320447375197. The reversal of 320447375160 is 61573744023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121380262 + ... + 121382901.

It is an arithmetic number, because the mean of its divisors is an integer number (16386513570).

Almost surely, 2^320447375160 is an apocalyptic number.

320447375160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320447375160 is an abundant number, since it is smaller than the sum of its proper divisors (728289493320).

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

320447375160 is a wasteful number, since it uses less digits than its factorization.

320447375160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242763188 (or 242763184 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 320447375160 in words is "three hundred twenty billion, four hundred forty-seven million, three hundred seventy-five thousand, one hundred sixty".