18133659884 has 6 divisors (see below), whose sum is σ = 31733904804. Its totient is φ = 9066829940.

The previous prime is 18133659877. The next prime is 18133659889. The reversal of 18133659884 is 48895633181.

It is not an unprimeable number, because it can be changed into a prime (18133659889) by changing a digit.

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 as a sum of consecutive naturals, namely, 2266707482 + ... + 2266707489.

It is an arithmetic number, because the mean of its divisors is an integer number (5288984134).

Almost surely, 2^18133659884 is an apocalyptic number.

It is an amenable number.

18133659884 is a deficient number, since it is larger than the sum of its proper divisors (13600244920).

18133659884 is a wasteful number, since it uses less digits than its factorization.

18133659884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533414975 (or 4533414973 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The spelling of 18133659884 in words is "eighteen billion, one hundred thirty-three million, six hundred fifty-nine thousand, eight hundred eighty-four".