18033266902 has 16 divisors (see below), whose sum is σ = 32732652960. Its totient is φ = 7273922688.

The previous prime is 18033266843. The next prime is 18033266903. The reversal of 18033266902 is 20966233081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18033266903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37884777 + ... + 37885252.

It is an arithmetic number, because the mean of its divisors is an integer number (2045790810).

Almost surely, 2^18033266902 is an apocalyptic number.

18033266902 is a deficient number, since it is larger than the sum of its proper divisors (14699386058).

18033266902 is a wasteful number, since it uses less digits than its factorization.

18033266902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75770055.

The product of its (nonzero) digits is 93312, while the sum is 40.

Adding to 18033266902 its reverse (20966233081), we get a palindrome (38999499983).

The spelling of 18033266902 in words is "eighteen billion, thirty-three million, two hundred sixty-six thousand, nine hundred two".