200166 has 16 divisors (see below), whose sum is σ = 406704. Its totient is φ = 65664.

The previous prime is 200159. The next prime is 200171. The reversal of 200166 is 661002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210 + ... + 666.

It is an arithmetic number, because the mean of its divisors is an integer number (25419).

2²⁰⁰¹⁶⁶ is an apocalyptic number.

200166 is an abundant number, since it is smaller than the sum of its proper divisors (206538).

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

200166 is a wasteful number, since it uses less digits than its factorization.

200166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 200166 is about 447.3991506474. The cubic root of 200166 is about 58.4965298548.

Adding to 200166 its reverse (661002), we get a palindrome (861168).

The spelling of 200166 in words is "two hundred thousand, one hundred sixty-six".