320216683436 has 24 divisors (see below), whose sum is σ = 603618397200. Its totient is φ = 147759717312.

The previous prime is 320216683411. The next prime is 320216683439. The reversal of 320216683436 is 634386612023.

It is not an unprimeable number, because it can be changed into a prime (320216683439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440306 + ... + 913401.

It is an arithmetic number, because the mean of its divisors is an integer number (25150766550).

Almost surely, 2^320216683436 is an apocalyptic number.

It is an amenable number.

320216683436 is a deficient number, since it is larger than the sum of its proper divisors (283401713764).

320216683436 is a wasteful number, since it uses less digits than its factorization.

320216683436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358273 (or 1358271 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 320216683436 in words is "three hundred twenty billion, two hundred sixteen million, six hundred eighty-three thousand, four hundred thirty-six".