985166 has 16 divisors (see below), whose sum is σ = 1819104. Its totient is φ = 389664.

The previous prime is 985151. The next prime is 985177. The reversal of 985166 is 661589.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985166.

It is an unprimeable number.

985166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525 + ... + 2888.

It is an arithmetic number, because the mean of its divisors is an integer number (113694).

2⁹⁸⁵¹⁶⁶ is an apocalyptic number.

985166 is a deficient number, since it is larger than the sum of its proper divisors (833938).

985166 is a wasteful number, since it uses less digits than its factorization.

985166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5435.

The product of its digits is 12960, while the sum is 35.

The square root of 985166 is about 992.5552881326. Note that the first 3 decimals coincide. The cubic root of 985166 is about 99.5030680097.

The spelling of 985166 in words is "nine hundred eighty-five thousand, one hundred sixty-six".