190165 has 8 divisors (see below), whose sum is σ = 231768. Its totient is φ = 149760.

The previous prime is 190159. The next prime is 190181. The reversal of 190165 is 561091.

190165 = T₁₉₀ + T₁₉₁ + ... + T₁₉₉.

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 178929 = 106^2 + 423^2 .

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

It is not a de Polignac number, because 190165 - 2⁹ = 189653 is a prime.

It is a Duffinian number.

190165 is a lucky number.

It is a congruent number.

It is an unprimeable 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 in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 625.

It is an arithmetic number, because the mean of its divisors is an integer number (28971).

2¹⁹⁰¹⁶⁵ is an apocalyptic number.

It is an amenable number.

190165 is a deficient number, since it is larger than the sum of its proper divisors (41603).

190165 is an equidigital number, since it uses as much as digits as its factorization.

190165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 190165 is about 436.0791212613. The cubic root of 190165 is about 57.5056075187.

The spelling of 190165 in words is "one hundred ninety thousand, one hundred sixty-five".