33061216 has 24 divisors (see below), whose sum is σ = 68516280. Its totient is φ = 15660288.

The previous prime is 33061213. The next prime is 33061229. The reversal of 33061216 is 61216033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33061213) by changing a digit.

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, 26581 + ... + 27796.

It is an arithmetic number, because the mean of its divisors is an integer number (2854845).

Almost surely, 2^33061216 is an apocalyptic number.

It is an amenable number.

33061216 is an abundant number, since it is smaller than the sum of its proper divisors (35455064).

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

33061216 is a wasteful number, since it uses less digits than its factorization.

33061216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54406 (or 54398 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 33061216 is about 5749.8883467420. Note that the first 3 decimals coincide. The cubic root of 33061216 is about 320.9516462655.

Adding to 33061216 its reverse (61216033), we get a palindrome (94277249).

The spelling of 33061216 in words is "thirty-three million, sixty-one thousand, two hundred sixteen".