167859 has 8 divisors (see below), whose sum is σ = 248720. Its totient is φ = 111888.

The previous prime is 167809. The next prime is 167861. The reversal of 167859 is 958761.

It is not a de Polignac number, because 167859 - 2¹¹ = 165811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167809) 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, 3082 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (31090).

2¹⁶⁷⁸⁵⁹ is an apocalyptic number.

167859 is a deficient number, since it is larger than the sum of its proper divisors (80861).

167859 is an equidigital number, since it uses as much as digits as its factorization.

167859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226 (or 6220 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 167859 is about 409.7059921456. The cubic root of 167859 is about 55.1630423693.

It can be divided in two parts, 16 and 7859, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 167859 in words is "one hundred sixty-seven thousand, eight hundred fifty-nine".