190166 has 4 divisors (see below), whose sum is σ = 285252. Its totient is φ = 95082.

The previous prime is 190159. The next prime is 190181. The reversal of 190166 is 661091.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

190166 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47540 + ... + 47543.

It is an arithmetic number, because the mean of its divisors is an integer number (71313).

2¹⁹⁰¹⁶⁶ is an apocalyptic number.

190166 is a deficient number, since it is larger than the sum of its proper divisors (95086).

190166 is an equidigital number, since it uses as much as digits as its factorization.

190166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95085.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 190166 is about 436.0802678407. The cubic root of 190166 is about 57.5057083180.

The spelling of 190166 in words is "one hundred ninety thousand, one hundred sixty-six".