168362986936319 has 6 divisors (see below), whose sum is σ = 195850821538224. Its totient is φ = 144311131659660.

The previous prime is 168362986936247. The next prime is 168362986936337. The reversal of 168362986936319 is 913639689263861.

It is not a de Polignac number, because 168362986936319 - 2¹² = 168362986932223 is a prime.

It is a super-2 number, since 2×168362986936319² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168362986936369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1717989662567 + ... + 1717989662664.

It is an arithmetic number, because the mean of its divisors is an integer number (32641803589704).

Almost surely, 2^{168362986936319} is an apocalyptic number.

168362986936319 is a deficient number, since it is larger than the sum of its proper divisors (27487834601905).

168362986936319 is an equidigital number, since it uses as much as digits as its factorization.

168362986936319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435979325245 (or 3435979325238 counting only the distinct ones).

The product of its digits is 3265173504, while the sum is 80.

The spelling of 168362986936319 in words is "one hundred sixty-eight trillion, three hundred sixty-two billion, nine hundred eighty-six million, nine hundred thirty-six thousand, three hundred nineteen".