12336665618 has 16 divisors (see below), whose sum is σ = 19313064576. Its totient is φ = 5899074720.

The previous prime is 12336665611. The next prime is 12336665633. The reversal of 12336665618 is 81656663321.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12336665611) 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, 270638 + ... + 312918.

It is an arithmetic number, because the mean of its divisors is an integer number (1207066536).

Almost surely, 2^12336665618 is an apocalyptic number.

12336665618 is a deficient number, since it is larger than the sum of its proper divisors (6976398958).

12336665618 is a wasteful number, since it uses less digits than its factorization.

12336665618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48649.

The product of its digits is 933120, while the sum is 47.

The spelling of 12336665618 in words is "twelve billion, three hundred thirty-six million, six hundred sixty-five thousand, six hundred eighteen".