18533536852 has 12 divisors (see below), whose sum is σ = 34140725920. Its totient is φ = 8779043736.

The previous prime is 18533536829. The next prime is 18533536859. The reversal of 18533536852 is 25863533581.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18533536796 and 18533536805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18533536859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121931088 + ... + 121931239.

Almost surely, 2^18533536852 is an apocalyptic number.

It is an amenable number.

18533536852 is a deficient number, since it is larger than the sum of its proper divisors (15607189068).

18533536852 is a wasteful number, since it uses less digits than its factorization.

18533536852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243862350 (or 243862348 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

The spelling of 18533536852 in words is "eighteen billion, five hundred thirty-three million, five hundred thirty-six thousand, eight hundred fifty-two".