18113648983 has 8 divisors (see below), whose sum is σ = 18150950160. Its totient is φ = 18076372800.

The previous prime is 18113648981. The next prime is 18113649017. The reversal of 18113648983 is 38984631181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18113648983 - 2¹ = 18113648981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18113648983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18113648981) 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, 2194941 + ... + 2203177.

It is an arithmetic number, because the mean of its divisors is an integer number (2268868770).

Almost surely, 2^18113648983 is an apocalyptic number.

18113648983 is a deficient number, since it is larger than the sum of its proper divisors (37301177).

18113648983 is an equidigital number, since it uses as much as digits as its factorization.

18113648983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497.

The product of its digits is 995328, while the sum is 52.

The spelling of 18113648983 in words is "eighteen billion, one hundred thirteen million, six hundred forty-eight thousand, nine hundred eighty-three".