18286066063 has 4 divisors (see below), whose sum is σ = 18286873488. Its totient is φ = 18285258640.

The previous prime is 18286066061. The next prime is 18286066079. The reversal of 18286066063 is 36066068281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36066068281 = 61 ⋅591247021.

It is a cyclic number.

It is not a de Polignac number, because 18286066063 - 2¹ = 18286066061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18286066061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368731 + ... + 415372.

It is an arithmetic number, because the mean of its divisors is an integer number (4571718372).

Almost surely, 2^18286066063 is an apocalyptic number.

18286066063 is a deficient number, since it is larger than the sum of its proper divisors (807425).

18286066063 is an equidigital number, since it uses as much as digits as its factorization.

18286066063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807424.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 18286066063 in words is "eighteen billion, two hundred eighty-six million, sixty-six thousand, sixty-three".