320560461307660 has 96 divisors (see below), whose sum is σ = 815523244623360. Its totient is φ = 103324210633728.

The previous prime is 320560461307589. The next prime is 320560461307679. The reversal of 320560461307660 is 66703164065023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74166450 + ... + 78369529.

It is an arithmetic number, because the mean of its divisors is an integer number (8495033798160).

Almost surely, 2^{320560461307660} is an apocalyptic number.

It is an amenable number.

320560461307660 is an abundant number, since it is smaller than the sum of its proper divisors (494962783315700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320560461307660 is a wasteful number, since it uses less digits than its factorization.

320560461307660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152536895 (or 152536893 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 320560461307660 in words is "three hundred twenty trillion, five hundred sixty billion, four hundred sixty-one million, three hundred seven thousand, six hundred sixty".