320216680772 has 12 divisors (see below), whose sum is σ = 562723875840. Its totient is φ = 159438430536.

The previous prime is 320216680759. The next prime is 320216680787. The reversal of 320216680772 is 277086612023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167476388 + ... + 167478299.

It is an arithmetic number, because the mean of its divisors is an integer number (46893656320).

Almost surely, 2^320216680772 is an apocalyptic number.

It is an amenable number.

320216680772 is a deficient number, since it is larger than the sum of its proper divisors (242507195068).

320216680772 is a wasteful number, since it uses less digits than its factorization.

320216680772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334954930 (or 334954928 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 320216680772 in words is "three hundred twenty billion, two hundred sixteen million, six hundred eighty thousand, seven hundred seventy-two".