33116854520 has 64 divisors (see below), whose sum is σ = 77988234240. Its totient is φ = 12632400000.

The previous prime is 33116854457. The next prime is 33116854553. The reversal of 33116854520 is 2545861133.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250145 + ... + 358895.

It is an arithmetic number, because the mean of its divisors is an integer number (1218566160).

Almost surely, 2^33116854520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33116854520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38994117120).

33116854520 is an abundant number, since it is smaller than the sum of its proper divisors (44871379720).

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

33116854520 is a wasteful number, since it uses less digits than its factorization.

33116854520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109116 (or 109112 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 33116854520 in words is "thirty-three billion, one hundred sixteen million, eight hundred fifty-four thousand, five hundred twenty".