33159855852 has 144 divisors (see below), whose sum is σ = 91076547744. Its totient is φ = 10131456000.

The previous prime is 33159855851. The next prime is 33159855863. The reversal of 33159855852 is 25855895133.

33159855852 is a `hidden beast` number, since 3 + 3 + 1 + 59 + 8 + 5 + 585 + 2 = 666.

Its product of digits (6480000) is a multiple of the sum of its prime factors (2400).

It is not an unprimeable number, because it can be changed into a prime (33159855851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24363652 + ... + 24365012.

It is an arithmetic number, because the mean of its divisors is an integer number (632476026).

Almost surely, 2^33159855852 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 33159855852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45538273872).

33159855852 is an abundant number, since it is smaller than the sum of its proper divisors (57916691892).

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

33159855852 is a wasteful number, since it uses less digits than its factorization.

33159855852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2395 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 54.

The spelling of 33159855852 in words is "thirty-three billion, one hundred fifty-nine million, eight hundred fifty-five thousand, eight hundred fifty-two".