320659360517 has 8 divisors (see below), whose sum is σ = 322190750112. Its totient is φ = 319131133200.

The previous prime is 320659360459. The next prime is 320659360529. The reversal of 320659360517 is 715063956023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320659360517 - 2²⁶ = 320592251653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320659360547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587159 + ... + 993012.

It is an arithmetic number, because the mean of its divisors is an integer number (40273843764).

Almost surely, 2^320659360517 is an apocalyptic number.

It is an amenable number.

320659360517 is a deficient number, since it is larger than the sum of its proper divisors (1531389595).

320659360517 is a wasteful number, since it uses less digits than its factorization.

320659360517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581139.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 320659360517 in words is "three hundred twenty billion, six hundred fifty-nine million, three hundred sixty thousand, five hundred seventeen".