80166 has 16 divisors (see below), whose sum is σ = 165888. Its totient is φ = 25800.

The previous prime is 80153. The next prime is 80167. The reversal of 80166 is 66108.

It is an Ulam number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80167) 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, 30 + ... + 401.

It is an arithmetic number, because the mean of its divisors is an integer number (10368).

2⁸⁰¹⁶⁶ is an apocalyptic number.

80166 is an abundant number, since it is smaller than the sum of its proper divisors (85722).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82944).

80166 is a wasteful number, since it uses less digits than its factorization.

80166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467.

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

The square root of 80166 is about 283.1360097197. The cubic root of 80166 is about 43.1184762238.

The spelling of 80166 in words is "eighty thousand, one hundred sixty-six".