18017482536 has 80 divisors (see below), whose sum is σ = 51032826900. Its totient is φ = 5938327296.

The previous prime is 18017482499. The next prime is 18017482537. The reversal of 18017482536 is 63528471081.

It can be written as a sum of positive squares in 2 ways, for example, as 16401924900 + 1615557636 = 128070^2 + 40194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18017482491 and 18017482500.

It is not an unprimeable number, because it can be changed into a prime (18017482537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98535 + ... + 213878.

Almost surely, 2^18017482536 is an apocalyptic number.

It is an amenable number.

18017482536 is an abundant number, since it is smaller than the sum of its proper divisors (33015344364).

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

18017482536 is a wasteful number, since it uses less digits than its factorization.

18017482536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312520 (or 312507 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 18017482536 in words is "eighteen billion, seventeen million, four hundred eighty-two thousand, five hundred thirty-six".