190066 has 12 divisors (see below), whose sum is σ = 297882. Its totient is φ = 90944.

The previous prime is 190063. The next prime is 190093. The reversal of 190066 is 660091.

190066 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 3 ways, for example, as 112225 + 77841 = 335^2 + 279^2 .

It is a super-2 number, since 2×190066² = 72250168712, which contains 22 as substring.

190066 is an undulating number in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1626 + ... + 1738.

2¹⁹⁰⁰⁶⁶ is an apocalyptic number.

190066 is a deficient number, since it is larger than the sum of its proper divisors (107816).

190066 is a wasteful number, since it uses less digits than its factorization.

190066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 190066 is about 435.9655949728. The cubic root of 190066 is about 57.4956266365.

The spelling of 190066 in words is "one hundred ninety thousand, sixty-six".