33091606912 has 256 divisors, whose sum is σ = 83003356800. Its totient is φ = 12794462208.

The previous prime is 33091606909. The next prime is 33091606931. The reversal of 33091606912 is 21960619033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142023948 + ... + 142024180.

Almost surely, 2^33091606912 is an apocalyptic number.

33091606912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33091606912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41501678400).

33091606912 is an abundant number, since it is smaller than the sum of its proper divisors (49911749888).

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

33091606912 is a wasteful number, since it uses less digits than its factorization.

33091606912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The spelling of 33091606912 in words is "thirty-three billion, ninety-one million, six hundred six thousand, nine hundred twelve".