18066320148 has 36 divisors (see below), whose sum is σ = 42328258112. Its totient is φ = 5997339360.

The previous prime is 18066320143. The next prime is 18066320227. The reversal of 18066320148 is 84102366081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18066320143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7663786 + ... + 7666142.

Almost surely, 2^18066320148 is an apocalyptic number.

It is an amenable number.

18066320148 is an abundant number, since it is smaller than the sum of its proper divisors (24261937964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18066320148 is an equidigital number, since it uses as much as digits as its factorization.

18066320148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 18066320148 in words is "eighteen billion, sixty-six million, three hundred twenty thousand, one hundred forty-eight".