320152454817 has 32 divisors (see below), whose sum is σ = 463858053120. Its totient is φ = 195241052160.

The previous prime is 320152454803. The next prime is 320152454821. The reversal of 320152454817 is 718454251023.

It is not a de Polignac number, because 320152454817 - 2²² = 320148260513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320152454837) 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, 4326909 + ... + 4400277.

It is an arithmetic number, because the mean of its divisors is an integer number (14495564160).

Almost surely, 2^320152454817 is an apocalyptic number.

It is an amenable number.

320152454817 is a deficient number, since it is larger than the sum of its proper divisors (143705598303).

320152454817 is a wasteful number, since it uses less digits than its factorization.

320152454817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74393.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 320152454817 in words is "three hundred twenty billion, one hundred fifty-two million, four hundred fifty-four thousand, eight hundred seventeen".