158167 has 4 divisors (see below), whose sum is σ = 159016. Its totient is φ = 157320.

The previous prime is 158161. The next prime is 158189. The reversal of 158167 is 761851.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 761851 = 829 ⋅919.

It is a cyclic number.

It is not a de Polignac number, because 158167 - 2¹¹ = 156119 is a prime.

It is a Duffinian number.

158167 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158161) 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 3 ways as a sum of consecutive naturals, for example, 9 + ... + 562.

It is an arithmetic number, because the mean of its divisors is an integer number (39754).

2¹⁵⁸¹⁶⁷ is an apocalyptic number.

158167 is a deficient number, since it is larger than the sum of its proper divisors (849).

158167 is an equidigital number, since it uses as much as digits as its factorization.

158167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 1680, while the sum is 28.

The square root of 158167 is about 397.7021498559. The cubic root of 158167 is about 54.0802419299.

It can be divided in two parts, 158 and 167, that added together give a triangular number (325 = T₂₅).

The spelling of 158167 in words is "one hundred fifty-eight thousand, one hundred sixty-seven".