165194 has 8 divisors (see below), whose sum is σ = 249888. Its totient is φ = 81900.

The previous prime is 165181. The next prime is 165203. The reversal of 165194 is 491561.

165194 is nontrivially palindromic in base 4.

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

It is a Curzon number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 29 + ... + 575.

It is an arithmetic number, because the mean of its divisors is an integer number (31236).

2¹⁶⁵¹⁹⁴ is an apocalyptic number.

165194 is a deficient number, since it is larger than the sum of its proper divisors (84694).

165194 is a wasteful number, since it uses less digits than its factorization.

165194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its digits is 1080, while the sum is 26.

The square root of 165194 is about 406.4406475735. The cubic root of 165194 is about 54.8695531146.

The spelling of 165194 in words is "one hundred sixty-five thousand, one hundred ninety-four".