33166444 has 12 divisors (see below), whose sum is σ = 58096864. Its totient is φ = 16567344.

The previous prime is 33166433. The next prime is 33166453. The reversal of 33166444 is 44466133.

It is a happy number.

It is a super-2 number, since 2×33166444² = 2200026015210272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 1597 + ... + 8299.

Almost surely, 2^33166444 is an apocalyptic number.

It is an amenable number.

33166444 is a deficient number, since it is larger than the sum of its proper divisors (24930420).

33166444 is a wasteful number, since it uses less digits than its factorization.

33166444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944 (or 7942 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 33166444 is about 5759.0315158019. The cubic root of 33166444 is about 321.2917964059.

The spelling of 33166444 in words is "thirty-three million, one hundred sixty-six thousand, four hundred forty-four".