190266 has 16 divisors (see below), whose sum is σ = 400800. Its totient is φ = 60048.

The previous prime is 190261. The next prime is 190271. The reversal of 190266 is 662091.

It is an interprime number because it is at equal distance from previous prime (190261) and next prime (190271).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190261) 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 7 ways as a sum of consecutive naturals, for example, 721 + ... + 948.

It is an arithmetic number, because the mean of its divisors is an integer number (25050).

2¹⁹⁰²⁶⁶ is an apocalyptic number.

190266 is an abundant number, since it is smaller than the sum of its proper divisors (210534).

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

190266 is a wasteful number, since it uses less digits than its factorization.

190266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 190266 is about 436.1949105618. The cubic root of 190266 is about 57.5157864657.

The spelling of 190266 in words is "one hundred ninety thousand, two hundred sixty-six".