18466663918283 has 16 divisors (see below), whose sum is σ = 21445584216000. Its totient is φ = 15574836473856.

The previous prime is 18466663918249. The next prime is 18466663918349. The reversal of 18466663918283 is 38281936666481.

It is a cyclic number.

It is not a de Polignac number, because 18466663918283 - 2¹⁰ = 18466663917259 is a prime.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18466663918243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78486158 + ... + 78721091.

It is an arithmetic number, because the mean of its divisors is an integer number (1340349013500).

Almost surely, 2^{18466663918283} is an apocalyptic number.

18466663918283 is a deficient number, since it is larger than the sum of its proper divisors (2978920297717).

18466663918283 is a wasteful number, since it uses less digits than its factorization.

18466663918283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157207526.

The product of its digits is 429981696, while the sum is 71.

The spelling of 18466663918283 in words is "eighteen trillion, four hundred sixty-six billion, six hundred sixty-three million, nine hundred eighteen thousand, two hundred eighty-three".