168311371 has 8 divisors (see below), whose sum is σ = 173828160. Its totient is φ = 162875328.

The previous prime is 168311359. The next prime is 168311387. The reversal of 168311371 is 173113861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168311371 - 2⁹ = 168310859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168311471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15936 + ... + 24301.

It is an arithmetic number, because the mean of its divisors is an integer number (21728520).

Almost surely, 2^168311371 is an apocalyptic number.

168311371 is a deficient number, since it is larger than the sum of its proper divisors (5516789).

168311371 is an equidigital number, since it uses as much as digits as its factorization.

168311371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40373.

The product of its digits is 3024, while the sum is 31.

The square root of 168311371 is about 12973.4872335853. The cubic root of 168311371 is about 552.1255173419.

The spelling of 168311371 in words is "one hundred sixty-eight million, three hundred eleven thousand, three hundred seventy-one".