320185663075 has 6 divisors (see below), whose sum is σ = 397030222244. Its totient is φ = 256148530440.

The previous prime is 320185663067. The next prime is 320185663103. The reversal of 320185663075 is 570366581023.

It is not a de Polignac number, because 320185663075 - 2³ = 320185663067 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6403713237 + ... + 6403713286.

Almost surely, 2^320185663075 is an apocalyptic number.

320185663075 is a deficient number, since it is larger than the sum of its proper divisors (76844559169).

320185663075 is a wasteful number, since it uses less digits than its factorization.

320185663075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807426533 (or 12807426528 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 320185663075 in words is "three hundred twenty billion, one hundred eighty-five million, six hundred sixty-three thousand, seventy-five".