320216504334 has 8 divisors (see below), whose sum is σ = 640433008680. Its totient is φ = 106738834776.

The previous prime is 320216504299. The next prime is 320216504347. The reversal of 320216504334 is 433405612023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

320216504334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 320216504295 and 320216504304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26684708689 + ... + 26684708700.

It is an arithmetic number, because the mean of its divisors is an integer number (80054126085).

Almost surely, 2^320216504334 is an apocalyptic number.

320216504334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320216504334 is a wasteful number, since it uses less digits than its factorization.

320216504334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53369417394.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 320216504334 in words is "three hundred twenty billion, two hundred sixteen million, five hundred four thousand, three hundred thirty-four".