18266285468 has 12 divisors (see below), whose sum is σ = 31967228160. Its totient is φ = 9132791712.

The previous prime is 18266285461. The next prime is 18266285501. The reversal of 18266285468 is 86458266281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18266285461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55205 + ... + 198947.

It is an arithmetic number, because the mean of its divisors is an integer number (2663935680).

Almost surely, 2^18266285468 is an apocalyptic number.

It is an amenable number.

18266285468 is a deficient number, since it is larger than the sum of its proper divisors (13700942692).

18266285468 is a wasteful number, since it uses less digits than its factorization.

18266285468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175516 (or 175514 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 56.

The spelling of 18266285468 in words is "eighteen billion, two hundred sixty-six million, two hundred eighty-five thousand, four hundred sixty-eight".