198167 has 4 divisors (see below), whose sum is σ = 201960. Its totient is φ = 194376.

The previous prime is 198139. The next prime is 198173. The reversal of 198167 is 761891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 198167 - 2¹² = 194071 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 (198127) 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, 1817 + ... + 1922.

It is an arithmetic number, because the mean of its divisors is an integer number (50490).

2¹⁹⁸¹⁶⁷ is an apocalyptic number.

198167 is a deficient number, since it is larger than the sum of its proper divisors (3793).

198167 is an equidigital number, since it uses as much as digits as its factorization.

198167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792.

The product of its digits is 3024, while the sum is 32.

The square root of 198167 is about 445.1595219694. The cubic root of 198167 is about 58.3011486857.

Subtracting from 198167 its sum of digits (32), we obtain a triangular number (198135 = T₆₂₉).

It can be divided in two parts, 1981 and 67, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 198167 in words is "one hundred ninety-eight thousand, one hundred sixty-seven".