18066706308 has 108 divisors (see below), whose sum is σ = 53161355520. Its totient is φ = 5158357344.

The previous prime is 18066706297. The next prime is 18066706319. The reversal of 18066706308 is 80360766081.

18066706308 is a `hidden beast` number, since 1 + 8 + 0 + 6 + 6 + 7 + 0 + 630 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (18066706297) and next prime (18066706319).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3594285 + ... + 3599307.

Almost surely, 2^18066706308 is an apocalyptic number.

18066706308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18066706308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26580677760).

18066706308 is an abundant number, since it is smaller than the sum of its proper divisors (35094649212).

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

18066706308 is a wasteful number, since it uses less digits than its factorization.

18066706308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086 (or 7074 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 18066706308 in words is "eighteen billion, sixty-six million, seven hundred six thousand, three hundred eight".