201110166 has 24 divisors (see below), whose sum is σ = 446368104. Its totient is φ = 65401440.

The previous prime is 201110159. The next prime is 201110171. The reversal of 201110166 is 661011102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135516 + ... + 136991.

It is an arithmetic number, because the mean of its divisors is an integer number (18598671).

Almost surely, 2^201110166 is an apocalyptic number.

201110166 is an abundant number, since it is smaller than the sum of its proper divisors (245257938).

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

201110166 is a wasteful number, since it uses less digits than its factorization.

201110166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272556 (or 272553 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 201110166 is about 14181.3316017925. The cubic root of 201110166 is about 585.8836000638.

Adding to 201110166 its reverse (661011102), we get a palindrome (862121268).

The spelling of 201110166 in words is "two hundred one million, one hundred ten thousand, one hundred sixty-six".