33630166 has 8 divisors (see below), whose sum is σ = 50470344. Its totient is φ = 16806720.

The previous prime is 33630137. The next prime is 33630167. The reversal of 33630166 is 66103633.

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

It is a super-2 number, since 2×33630166² = 2261976130375112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33630167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4221 + ... + 9223.

It is an arithmetic number, because the mean of its divisors is an integer number (6308793).

Almost surely, 2^33630166 is an apocalyptic number.

33630166 is a deficient number, since it is larger than the sum of its proper divisors (16840178).

33630166 is a wasteful number, since it uses less digits than its factorization.

33630166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8366.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 33630166 is about 5799.1521794138. The cubic root of 33630166 is about 322.7822691460.

Adding to 33630166 its reverse (66103633), we get a palindrome (99733799).

The spelling of 33630166 in words is "thirty-three million, six hundred thirty thousand, one hundred sixty-six".