800166 has 16 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 252648.

The previous prime is 800161. The next prime is 800171. The reversal of 800166 is 661008.

800166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (800161) and next prime (800171).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800161) 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, 3396 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

2⁸⁰⁰¹⁶⁶ is an apocalyptic number.

800166 is an abundant number, since it is smaller than the sum of its proper divisors (884634).

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

800166 is a wasteful number, since it uses less digits than its factorization.

800166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 800166 is about 894.5199830076. The cubic root of 800166 is about 92.8381970928.

The spelling of 800166 in words is "eight hundred thousand, one hundred sixty-six".