18083208166 has 8 divisors (see below), whose sum is σ = 28304151984. Its totient is φ = 8648490840.

The previous prime is 18083208163. The next prime is 18083208179. The reversal of 18083208166 is 66180238081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18083208163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196556565 + ... + 196556656.

It is an arithmetic number, because the mean of its divisors is an integer number (3538018998).

Almost surely, 2^18083208166 is an apocalyptic number.

18083208166 is a deficient number, since it is larger than the sum of its proper divisors (10220943818).

18083208166 is a wasteful number, since it uses less digits than its factorization.

18083208166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393113246.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 18083208166 in words is "eighteen billion, eighty-three million, two hundred eight thousand, one hundred sixty-six".