5818181818186 has 16 divisors (see below), whose sum is σ = 9191675648160. Its totient is φ = 2754459028080.

The previous prime is 5818181818157. The next prime is 5818181818231. The reversal of 5818181818186 is 6818181818185.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42203421 + ... + 42341056.

It is an arithmetic number, because the mean of its divisors is an integer number (574479728010).

Almost surely, 2^{5818181818186} is an apocalyptic number.

5818181818186 is a deficient number, since it is larger than the sum of its proper divisors (3373493829974).

5818181818186 is a wasteful number, since it uses less digits than its factorization.

5818181818186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84546309.

The product of its digits is 7864320, while the sum is 64.

Subtracting 5818181818186 from its reverse (6818181818185), we obtain a palindrome (999999999999).

The spelling of 5818181818186 in words is "five trillion, eight hundred eighteen billion, one hundred eighty-one million, eight hundred eighteen thousand, one hundred eighty-six".