320560271536 has 10 divisors (see below), whose sum is σ = 621085526132. Its totient is φ = 160280135760.

The previous prime is 320560271531. The next prime is 320560271611. The reversal of 320560271536 is 635172065023.

It is not an unprimeable number, because it can be changed into a prime (320560271531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017508470 + ... + 10017508501.

Almost surely, 2^320560271536 is an apocalyptic number.

It is an amenable number.

320560271536 is a deficient number, since it is larger than the sum of its proper divisors (300525254596).

320560271536 is a wasteful number, since it uses less digits than its factorization.

320560271536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035016979 (or 20035016973 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 320560271536 in words is "three hundred twenty billion, five hundred sixty million, two hundred seventy-one thousand, five hundred thirty-six".