320216683678 has 8 divisors (see below), whose sum is σ = 480332010960. Its totient is φ = 160106013360.

The previous prime is 320216683667. The next prime is 320216683747. The reversal of 320216683678 is 876386612023.

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

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, 986938 + ... + 1270621.

It is an arithmetic number, because the mean of its divisors is an integer number (60041501370).

Almost surely, 2^320216683678 is an apocalyptic number.

320216683678 is a deficient number, since it is larger than the sum of its proper divisors (160115327282).

320216683678 is a wasteful number, since it uses less digits than its factorization.

320216683678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328482.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 320216683678 in words is "three hundred twenty billion, two hundred sixteen million, six hundred eighty-three thousand, six hundred seventy-eight".