320216680771 has 12 divisors (see below), whose sum is σ = 352620525960. Its totient is φ = 290574710400.

The previous prime is 320216680759. The next prime is 320216680787. The reversal of 320216680771 is 177086612023.

It is not a de Polignac number, because 320216680771 - 2¹³ = 320216672579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320216680711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16047430 + ... + 16067371.

It is an arithmetic number, because the mean of its divisors is an integer number (29385043830).

Almost surely, 2^320216680771 is an apocalyptic number.

320216680771 is a deficient number, since it is larger than the sum of its proper divisors (32403845189).

320216680771 is a wasteful number, since it uses less digits than its factorization.

320216680771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32114886 (or 32114873 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 320216680771 in words is "three hundred twenty billion, two hundred sixteen million, six hundred eighty thousand, seven hundred seventy-one".