320122560121564 has 12 divisors (see below), whose sum is σ = 563452714203624. Its totient is φ = 159136070349104.

The previous prime is 320122560121513. The next prime is 320122560121597. The reversal of 320122560121564 is 465121065221023.

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, 231302427142 + ... + 231302428525.

It is an arithmetic number, because the mean of its divisors is an integer number (46954392850302).

Almost surely, 2^{320122560121564} is an apocalyptic number.

It is an amenable number.

320122560121564 is a deficient number, since it is larger than the sum of its proper divisors (243330154082060).

320122560121564 is a wasteful number, since it uses less digits than its factorization.

320122560121564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462604855844 (or 462604855842 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 320122560121564 in words is "three hundred twenty trillion, one hundred twenty-two billion, five hundred sixty million, one hundred twenty-one thousand, five hundred sixty-four".