33812166 has 8 divisors (see below), whose sum is σ = 67624344. Its totient is φ = 11270720.

The previous prime is 33812159. The next prime is 33812179. The reversal of 33812166 is 66121833.

33812166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

33812166 is an admirable number.

It is a super-2 number, since 2×33812166² = 2286525139223112, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2817675 + ... + 2817686.

It is an arithmetic number, because the mean of its divisors is an integer number (8453043).

Almost surely, 2^33812166 is an apocalyptic number.

33812166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33812166 is a wasteful number, since it uses less digits than its factorization.

33812166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635366.

The product of its digits is 5184, while the sum is 30.

The square root of 33812166 is about 5814.8229551724. The cubic root of 33812166 is about 323.3635004505.

Adding to 33812166 its reverse (66121833), we get a palindrome (99933999).

The spelling of 33812166 in words is "thirty-three million, eight hundred twelve thousand, one hundred sixty-six".