5821166 has 16 divisors (see below), whose sum is σ = 9535344. Its totient is φ = 2649024.

The previous prime is 5821159. The next prime is 5821171. The reversal of 5821166 is 6611285.

It is a happy number.

It is a Curzon number.

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, 365 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (595959).

Almost surely, 2^5821166 is an apocalyptic number.

5821166 is a deficient number, since it is larger than the sum of its proper divisors (3714178).

5821166 is a wasteful number, since it uses less digits than its factorization.

5821166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its digits is 2880, while the sum is 29.

The square root of 5821166 is about 2412.7092655353. The cubic root of 5821166 is about 179.8884700037. Note that the first 3 decimals are identical.

The spelling of 5821166 in words is "five million, eight hundred twenty-one thousand, one hundred sixty-six".