190169 has 6 divisors (see below), whose sum is σ = 221274. Its totient is φ = 162960.

The previous prime is 190159. The next prime is 190181. The reversal of 190169 is 961091.

It can be written as a sum of positive squares in only one way, i.e., 170569 + 19600 = 413^2 + 140^2 .

It is not a de Polignac number, because 190169 - 2⁸ = 189913 is a prime.

It is a super-2 number, since 2×190169² = 72328497122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190129) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1892 + ... + 1989.

It is an arithmetic number, because the mean of its divisors is an integer number (36879).

2¹⁹⁰¹⁶⁹ is an apocalyptic number.

It is an amenable number.

190169 is a deficient number, since it is larger than the sum of its proper divisors (31105).

190169 is an equidigital number, since it uses as much as digits as its factorization.

190169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 190169 is about 436.0837075608. The cubic root of 190169 is about 57.5060107138.

The spelling of 190169 in words is "one hundred ninety thousand, one hundred sixty-nine".