33166442 has 8 divisors (see below), whose sum is σ = 49907556. Its totient is φ = 16530592.

The previous prime is 33166433. The next prime is 33166453. The reversal of 33166442 is 24466133.

It can be written as a sum of positive squares in 2 ways, for example, as 33166081 + 361 = 5759^2 + 19^2 .

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

It is a super-2 number, since 2×33166442² = 2200025749878728, which contains 22 as substring.

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, 25523 + ... + 26790.

Almost surely, 2^33166442 is an apocalyptic number.

33166442 is a deficient number, since it is larger than the sum of its proper divisors (16741114).

33166442 is a wasteful number, since it uses less digits than its factorization.

33166442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52632.

The product of its digits is 10368, while the sum is 29.

The square root of 33166442 is about 5759.0313421616. The cubic root of 33166442 is about 321.2917899477.

The spelling of 33166442 in words is "thirty-three million, one hundred sixty-six thousand, four hundred forty-two".