164198 has 16 divisors (see below), whose sum is σ = 270000. Its totient is φ = 74592.

The previous prime is 164191. The next prime is 164201. The reversal of 164198 is 891461.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164191) by changing a digit.

164198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (16875).

2¹⁶⁴¹⁹⁸ is an apocalyptic number.

164198 is a deficient number, since it is larger than the sum of its proper divisors (105802).

164198 is a wasteful number, since it uses less digits than its factorization.

164198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its digits is 1728, while the sum is 29.

The square root of 164198 is about 405.2135239599. The cubic root of 164198 is about 54.7590562085.

The spelling of 164198 in words is "one hundred sixty-four thousand, one hundred ninety-eight".