18602048216 has 16 divisors (see below), whose sum is σ = 34914337200. Its totient is φ = 9291558304.

The previous prime is 18602048137. The next prime is 18602048219. The reversal of 18602048216 is 61284020681.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 18602048216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18602048219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174871 + ... + 1190598.

It is an arithmetic number, because the mean of its divisors is an integer number (2182146075).

Almost surely, 2^18602048216 is an apocalyptic number.

It is an amenable number.

18602048216 is a deficient number, since it is larger than the sum of its proper divisors (16312288984).

18602048216 is a wasteful number, since it uses less digits than its factorization.

18602048216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366458 (or 2366454 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

Adding to 18602048216 its reverse (61284020681), we get a palindrome (79886068897).

The spelling of 18602048216 in words is "eighteen billion, six hundred two million, forty-eight thousand, two hundred sixteen".