33000018036 has 24 divisors (see below), whose sum is σ = 77018672640. Its totient is φ = 10997344512.

The previous prime is 33000017867. The next prime is 33000018047. The reversal of 33000018036 is 63081000033.

It is a junction number, because it is equal to n+sod(n) for n = 33000017997 and 33000018015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280701 + ... + 380516.

It is an arithmetic number, because the mean of its divisors is an integer number (3209111360).

Almost surely, 2^33000018036 is an apocalyptic number.

It is an amenable number.

33000018036 is an abundant number, since it is smaller than the sum of its proper divisors (44018654604).

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

33000018036 is a wasteful number, since it uses less digits than its factorization.

33000018036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665383 (or 665381 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 33000018036 its reverse (63081000033), we get a palindrome (96081018069).

The spelling of 33000018036 in words is "thirty-three billion, eighteen thousand, thirty-six".