320008366085 has 4 divisors (see below), whose sum is σ = 384010039308. Its totient is φ = 256006692864.

The previous prime is 320008366043. The next prime is 320008366099. The reversal of 320008366085 is 580663800023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57776294689 + 262232071396 = 240367^2 + 512086^2 .

It is a cyclic number.

It is not a de Polignac number, because 320008366085 - 2⁸ = 320008365829 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 32000836604 + ... + 32000836613.

It is an arithmetic number, because the mean of its divisors is an integer number (96002509827).

Almost surely, 2^320008366085 is an apocalyptic number.

It is an amenable number.

320008366085 is a deficient number, since it is larger than the sum of its proper divisors (64001673223).

320008366085 is an equidigital number, since it uses as much as digits as its factorization.

320008366085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64001673222.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 320008366085 in words is "three hundred twenty billion, eight million, three hundred sixty-six thousand, eighty-five".