320958699167 has 4 divisors (see below), whose sum is σ = 322237419336. Its totient is φ = 319679979000.

The previous prime is 320958699151. The next prime is 320958699181. The reversal of 320958699167 is 761996859023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761996859023 = 1847 ⋅412559209.

It is a cyclic number.

It is not a de Polignac number, because 320958699167 - 2⁴ = 320958699151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320958699107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639359708 + ... + 639360209.

It is an arithmetic number, because the mean of its divisors is an integer number (80559354834).

Almost surely, 2^320958699167 is an apocalyptic number.

320958699167 is a deficient number, since it is larger than the sum of its proper divisors (1278720169).

320958699167 is a wasteful number, since it uses less digits than its factorization.

320958699167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278720168.

The product of its (nonzero) digits is 44089920, while the sum is 65.

The spelling of 320958699167 in words is "three hundred twenty billion, nine hundred fifty-eight million, six hundred ninety-nine thousand, one hundred sixty-seven".