320109907617 has 6 divisors (see below), whose sum is σ = 462380977682. Its totient is φ = 213406605072.

The previous prime is 320109907609. The next prime is 320109907627. The reversal of 320109907617 is 716709901023.

320109907617 is a `hidden beast` number, since 3 + 20 + 1 + 0 + 9 + 9 + 0 + 7 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307519047936 + 12590859681 = 554544^2 + 112209^2 .

It is not a de Polignac number, because 320109907617 - 2³ = 320109907609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320109907627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17783883748 + ... + 17783883765.

Almost surely, 2^320109907617 is an apocalyptic number.

It is an amenable number.

320109907617 is a deficient number, since it is larger than the sum of its proper divisors (142271070065).

320109907617 is a wasteful number, since it uses less digits than its factorization.

320109907617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35567767519 (or 35567767516 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The spelling of 320109907617 in words is "three hundred twenty billion, one hundred nine million, nine hundred seven thousand, six hundred seventeen".