5995666 has 8 divisors (see below), whose sum is σ = 9120384. Its totient is φ = 2955540.

The previous prime is 5995651. The next prime is 5995669. The reversal of 5995666 is 6665995.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (5995669) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20970 + ... + 21253.

It is an arithmetic number, because the mean of its divisors is an integer number (1140048).

Almost surely, 2^5995666 is an apocalyptic number.

5995666 is a deficient number, since it is larger than the sum of its proper divisors (3124718).

5995666 is a wasteful number, since it uses less digits than its factorization.

5995666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42296.

The product of its digits is 437400, while the sum is 46.

The square root of 5995666 is about 2448.6049089226. The cubic root of 5995666 is about 181.6682965186.

The spelling of 5995666 in words is "five million, nine hundred ninety-five thousand, six hundred sixty-six".