6599166 has 32 divisors (see below), whose sum is σ = 15303168. Its totient is φ = 1858080.

The previous prime is 6599161. The next prime is 6599191. The reversal of 6599166 is 6619956.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6599161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876 + ... + 4088.

It is an arithmetic number, because the mean of its divisors is an integer number (478224).

Almost surely, 2^6599166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6599166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7651584).

6599166 is an abundant number, since it is smaller than the sum of its proper divisors (8704002).

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

6599166 is a wasteful number, since it uses less digits than its factorization.

6599166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its digits is 87480, while the sum is 42.

The square root of 6599166 is about 2568.8841935751. The cubic root of 6599166 is about 187.5698442019.

The spelling of 6599166 in words is "six million, five hundred ninety-nine thousand, one hundred sixty-six".