320163616617 has 32 divisors (see below), whose sum is σ = 462036575616. Its totient is φ = 196033305600.

The previous prime is 320163616613. The next prime is 320163616649. The reversal of 320163616617 is 716616361023.

It is not a de Polignac number, because 320163616617 - 2² = 320163616613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320163616613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11085798 + ... + 11114640.

It is an arithmetic number, because the mean of its divisors is an integer number (14438642988).

Almost surely, 2^320163616617 is an apocalyptic number.

It is an amenable number.

320163616617 is a deficient number, since it is larger than the sum of its proper divisors (141872958999).

320163616617 is a wasteful number, since it uses less digits than its factorization.

320163616617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30281.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 320163616617 in words is "three hundred twenty billion, one hundred sixty-three million, six hundred sixteen thousand, six hundred seventeen".