33868106018 has 8 divisors (see below), whose sum is σ = 50804211612. Its totient is φ = 16933368816.

The previous prime is 33868106009. The next prime is 33868106059. The reversal of 33868106018 is 81060186833.

It can be written as a sum of positive squares in 2 ways, for example, as 31347764809 + 2520341209 = 177053^2 + 50203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33868106018² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33868106018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277805 + ... + 380672.

Almost surely, 2^33868106018 is an apocalyptic number.

33868106018 is a deficient number, since it is larger than the sum of its proper divisors (16936105594).

33868106018 is a wasteful number, since it uses less digits than its factorization.

33868106018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684196.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 33868106018 in words is "thirty-three billion, eight hundred sixty-eight million, one hundred six thousand, eighteen".