33868268172 has 36 divisors (see below), whose sum is σ = 85798830936. Its totient is φ = 11264713920.

The previous prime is 33868268117. The next prime is 33868268183. The reversal of 33868268172 is 27186286833.

33868268172 is a `hidden beast` number, since 338 + 6 + 82 + 68 + 172 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33868268172² (a number of 22 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1012854 + ... + 1045757.

Almost surely, 2^33868268172 is an apocalyptic number.

It is an amenable number.

33868268172 is an abundant number, since it is smaller than the sum of its proper divisors (51930562764).

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

33868268172 is a wasteful number, since it uses less digits than its factorization.

33868268172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059078 (or 2059073 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 33868268172 in words is "thirty-three billion, eight hundred sixty-eight million, two hundred sixty-eight thousand, one hundred seventy-two".