6539166 has 24 divisors (see below), whose sum is σ = 14217840. Its totient is φ = 2172096.

The previous prime is 6539149. The next prime is 6539167. The reversal of 6539166 is 6619356.

It is a self number, because there is not a number n which added to its sum of digits gives 6539166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7375 + ... + 8213.

It is an arithmetic number, because the mean of its divisors is an integer number (592410).

Almost surely, 2^6539166 is an apocalyptic number.

6539166 is an abundant number, since it is smaller than the sum of its proper divisors (7678674).

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

6539166 is a wasteful number, since it uses less digits than its factorization.

6539166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1277 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 6539166 is about 2557.1793054066. The cubic root of 6539166 is about 186.9996473060. Note that the first 3 decimals are identical.

The spelling of 6539166 in words is "six million, five hundred thirty-nine thousand, one hundred sixty-six".