18282187163 has 16 divisors (see below), whose sum is σ = 20550220800. Its totient is φ = 16183268640.

The previous prime is 18282187129. The next prime is 18282187199. The reversal of 18282187163 is 36178128281.

It is a cyclic number.

It is not a de Polignac number, because 18282187163 - 2⁸ = 18282186907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18282181163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518081 + ... + 552242.

It is an arithmetic number, because the mean of its divisors is an integer number (1284388800).

Almost surely, 2^18282187163 is an apocalyptic number.

18282187163 is a deficient number, since it is larger than the sum of its proper divisors (2268033637).

18282187163 is a wasteful number, since it uses less digits than its factorization.

18282187163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070402.

The product of its digits is 258048, while the sum is 47.

It can be divided in two parts, 1828218 and 7163, that added together give a palindrome (1835381).

The spelling of 18282187163 in words is "eighteen billion, two hundred eighty-two million, one hundred eighty-seven thousand, one hundred sixty-three".