18113683 has 24 divisors (see below), whose sum is σ = 22075872. Its totient is φ = 14805504.

The previous prime is 18113663. The next prime is 18113699. The reversal of 18113683 is 38631181.

It is not a de Polignac number, because 18113683 - 2¹⁷ = 17982611 is a prime.

It is a super-4 number, since 4×18113683⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (18113663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175810 + ... + 175912.

It is an arithmetic number, because the mean of its divisors is an integer number (919828).

Almost surely, 2^18113683 is an apocalyptic number.

18113683 is a deficient number, since it is larger than the sum of its proper divisors (3962189).

18113683 is a wasteful number, since it uses less digits than its factorization.

18113683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 244 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 18113683 is about 4256.0172697018. The cubic root of 18113683 is about 262.6247111120.

The spelling of 18113683 in words is "eighteen million, one hundred thirteen thousand, six hundred eighty-three".