12164850018 has 24 divisors (see below), whose sum is σ = 26361240048. Its totient is φ = 4054324632.

The previous prime is 12164850017. The next prime is 12164850083. The reversal of 12164850018 is 81005846121.

12164850018 is a `hidden beast` number, since 1 + 2 + 1 + 648 + 5 + 0 + 0 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (12164850017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76405 + ... + 173687.

It is an arithmetic number, because the mean of its divisors is an integer number (1098385002).

Almost surely, 2^12164850018 is an apocalyptic number.

12164850018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12164850018 is an abundant number, since it is smaller than the sum of its proper divisors (14196390030).

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

12164850018 is a wasteful number, since it uses less digits than its factorization.

12164850018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104238 (or 104235 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 12164850018 in words is "twelve billion, one hundred sixty-four million, eight hundred fifty thousand, eighteen".