85368166 has 16 divisors (see below), whose sum is σ = 138325824. Its totient is φ = 39279744.

The previous prime is 85368163. The next prime is 85368193. The reversal of 85368166 is 66186358.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85368163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891 + ... + 13633.

It is an arithmetic number, because the mean of its divisors is an integer number (8645364).

Almost surely, 2^85368166 is an apocalyptic number.

85368166 is a deficient number, since it is larger than the sum of its proper divisors (52957658).

85368166 is a wasteful number, since it uses less digits than its factorization.

85368166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095.

The product of its digits is 207360, while the sum is 43.

The square root of 85368166 is about 9239.4894880616. The cubic root of 85368166 is about 440.3168619804.

The spelling of 85368166 in words is "eighty-five million, three hundred sixty-eight thousand, one hundred sixty-six".