802166 has 8 divisors (see below), whose sum is σ = 1218720. Its totient is φ = 395928.

The previous prime is 802163. The next prime is 802177. The reversal of 802166 is 661208.

It is a sphenic number, since it is the product of 3 distinct primes.

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 802166.

It is not an unprimeable number, because it can be changed into a prime (802163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2381 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (152340).

2⁸⁰²¹⁶⁶ is an apocalyptic number.

802166 is a deficient number, since it is larger than the sum of its proper divisors (416554).

802166 is a wasteful number, since it uses less digits than its factorization.

802166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 802166 is about 895.6372033363. The cubic root of 802166 is about 92.9154818522.

The spelling of 802166 in words is "eight hundred two thousand, one hundred sixty-six".