33144016 has 20 divisors (see below), whose sum is σ = 67994532. Its totient is φ = 15597056.

The previous prime is 33144011. The next prime is 33144019. The reversal of 33144016 is 61044133.

It can be written as a sum of positive squares in 2 ways, for example, as 29160000 + 3984016 = 5400^2 + 1996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33144011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60655 + ... + 61198.

Almost surely, 2^33144016 is an apocalyptic number.

It is an amenable number.

33144016 is an abundant number, since it is smaller than the sum of its proper divisors (34850516).

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

33144016 is a wasteful number, since it uses less digits than its factorization.

33144016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121878 (or 121872 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 33144016 is about 5757.0839841017. The cubic root of 33144016 is about 321.2193581578.

Adding to 33144016 its reverse (61044133), we get a palindrome (94188149).

The spelling of 33144016 in words is "thirty-three million, one hundred forty-four thousand, sixteen".