6816166 has 8 divisors (see below), whose sum is σ = 11684880. Its totient is φ = 2921208.

The previous prime is 6816163. The next prime is 6816169. The reversal of 6816166 is 6616186.

It is an interprime number because it is at equal distance from previous prime (6816163) and next prime (6816169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243421 + ... + 243448.

It is an arithmetic number, because the mean of its divisors is an integer number (1460610).

Almost surely, 2^6816166 is an apocalyptic number.

6816166 is a deficient number, since it is larger than the sum of its proper divisors (4868714).

6816166 is a wasteful number, since it uses less digits than its factorization.

6816166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486878.

The product of its digits is 10368, while the sum is 34.

The square root of 6816166 is about 2610.7788110064. The cubic root of 6816166 is about 189.6036613499.

The spelling of 6816166 in words is "six million, eight hundred sixteen thousand, one hundred sixty-six".