168198 has 24 divisors (see below), whose sum is σ = 361032. Its totient is φ = 52224.

The previous prime is 168197. The next prime is 168211. The reversal of 168198 is 891861.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686 + ... + 1782.

It is an arithmetic number, because the mean of its divisors is an integer number (15043).

2¹⁶⁸¹⁹⁸ is an apocalyptic number.

168198 is an abundant number, since it is smaller than the sum of its proper divisors (192834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168198 is a wasteful number, since it uses less digits than its factorization.

168198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 119 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 168198 is about 410.1194947817. The cubic root of 168198 is about 55.2001522785.

The spelling of 168198 in words is "one hundred sixty-eight thousand, one hundred ninety-eight".