320164208303 has 2 divisors, whose sum is σ = 320164208304. Its totient is φ = 320164208302.

The previous prime is 320164208293. The next prime is 320164208323. The reversal of 320164208303 is 303802461023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320164208303 - 2³⁰ = 319090466479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320164208303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320164208323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160082104151 + 160082104152.

It is an arithmetic number, because the mean of its divisors is an integer number (160082104152).

Almost surely, 2^320164208303 is an apocalyptic number.

320164208303 is a deficient number, since it is larger than the sum of its proper divisors (1).

320164208303 is an equidigital number, since it uses as much as digits as its factorization.

320164208303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 320164208303 its reverse (303802461023), we get a palindrome (623966669326).

The spelling of 320164208303 in words is "three hundred twenty billion, one hundred sixty-four million, two hundred eight thousand, three hundred three".