845166 has 16 divisors (see below), whose sum is σ = 1931904. Its totient is φ = 241464.

The previous prime is 845137. The next prime is 845167. The reversal of 845166 is 661548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845167) 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, 10020 + ... + 10103.

It is an arithmetic number, because the mean of its divisors is an integer number (120744).

2⁸⁴⁵¹⁶⁶ is an apocalyptic number.

845166 is an abundant number, since it is smaller than the sum of its proper divisors (1086738).

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

845166 is a wasteful number, since it uses less digits than its factorization.

845166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20135.

The product of its digits is 5760, while the sum is 30.

The square root of 845166 is about 919.3291032052. The cubic root of 845166 is about 94.5469098866.

The spelling of 845166 in words is "eight hundred forty-five thousand, one hundred sixty-six".