8166864 has 40 divisors (see below), whose sum is σ = 21828960. Its totient is φ = 2627968.

The previous prime is 8166853. The next prime is 8166887. The reversal of 8166864 is 4686618.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542 + ... + 4325.

It is an arithmetic number, because the mean of its divisors is an integer number (545724).

Almost surely, 2^8166864 is an apocalyptic number.

It is an amenable number.

8166864 is an abundant number, since it is smaller than the sum of its proper divisors (13662096).

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

8166864 is a wasteful number, since it uses less digits than its factorization.

8166864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907 (or 5901 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 8166864 is about 2857.7725591796. The cubic root of 8166864 is about 201.3809759139.

The spelling of 8166864 in words is "eight million, one hundred sixty-six thousand, eight hundred sixty-four".