320436318542160 has 160 divisors (see below), whose sum is σ = 1022891785914240. Its totient is φ = 82920865757184.

The previous prime is 320436318542143. The next prime is 320436318542167. The reversal of 320436318542160 is 61245813634023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320436318542167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44240247 + ... + 50971286.

It is an arithmetic number, because the mean of its divisors is an integer number (6393073661964).

Almost surely, 2^{320436318542160} is an apocalyptic number.

320436318542160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320436318542160 is an abundant number, since it is smaller than the sum of its proper divisors (702455467372080).

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

320436318542160 is a wasteful number, since it uses less digits than its factorization.

320436318542160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95211965 (or 95211959 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 320436318542160 in words is "three hundred twenty trillion, four hundred thirty-six billion, three hundred eighteen million, five hundred forty-two thousand, one hundred sixty".