18210065660968 has 64 divisors (see below), whose sum is σ = 35993727489600. Its totient is φ = 8613155865600.

The previous prime is 18210065660947. The next prime is 18210065661013. The reversal of 18210065660968 is 86906656001281.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294425455 + ... + 294487297.

It is an arithmetic number, because the mean of its divisors is an integer number (562401992025).

Almost surely, 2^{18210065660968} is an apocalyptic number.

It is an amenable number.

18210065660968 is a deficient number, since it is larger than the sum of its proper divisors (17783661828632).

18210065660968 is a wasteful number, since it uses less digits than its factorization.

18210065660968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64682 (or 64678 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 18210065660968 in words is "eighteen trillion, two hundred ten billion, sixty-five million, six hundred sixty thousand, nine hundred sixty-eight".