320750616628 has 12 divisors (see below), whose sum is σ = 604491546820. Its totient is φ = 148038746112.

The previous prime is 320750616587. The next prime is 320750616647. The reversal of 320750616628 is 826616057023.

It can be written as a sum of positive squares in 2 ways, for example, as 41905365264 + 278845251364 = 204708^2 + 528058^2 .

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, 3084140493 + ... + 3084140596.

Almost surely, 2^320750616628 is an apocalyptic number.

It is an amenable number.

320750616628 is a deficient number, since it is larger than the sum of its proper divisors (283740930192).

320750616628 is a wasteful number, since it uses less digits than its factorization.

320750616628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168281106 (or 6168281104 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 320750616628 in words is "three hundred twenty billion, seven hundred fifty million, six hundred sixteen thousand, six hundred twenty-eight".