320216345583 has 16 divisors (see below), whose sum is σ = 433075378176. Its totient is φ = 210434976000.

The previous prime is 320216345441. The next prime is 320216345597. The reversal of 320216345583 is 385543612023.

It is not a de Polignac number, because 320216345583 - 2¹⁰ = 320216344559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320216305583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118991 + ... + 2265072.

It is an arithmetic number, because the mean of its divisors is an integer number (27067211136).

Almost surely, 2^320216345583 is an apocalyptic number.

320216345583 is a deficient number, since it is larger than the sum of its proper divisors (112859032593).

320216345583 is a wasteful number, since it uses less digits than its factorization.

320216345583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384414.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 320216345583 in words is "three hundred twenty billion, two hundred sixteen million, three hundred forty-five thousand, five hundred eighty-three".