164589198 has 8 divisors (see below), whose sum is σ = 329178408. Its totient is φ = 54863064.

The previous prime is 164589193. The next prime is 164589233. The reversal of 164589198 is 891985461.

It is a sphenic number, since it is the product of 3 distinct primes.

164589198 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 164589198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164589193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13715761 + ... + 13715772.

It is an arithmetic number, because the mean of its divisors is an integer number (41147301).

Almost surely, 2^164589198 is an apocalyptic number.

164589198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164589198 is a wasteful number, since it uses less digits than its factorization.

164589198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27431538.

The product of its digits is 622080, while the sum is 51.

The square root of 164589198 is about 12829.2321672031. The cubic root of 164589198 is about 548.0250912020.

The spelling of 164589198 in words is "one hundred sixty-four million, five hundred eighty-nine thousand, one hundred ninety-eight".