18230940466 has 8 divisors (see below), whose sum is σ = 27611910144. Its totient is φ = 9026970420.

The previous prime is 18230940457. The next prime is 18230940467. The reversal of 18230940466 is 66404903281.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (18230940467) 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, 44249650 + ... + 44250061.

It is an arithmetic number, because the mean of its divisors is an integer number (3451488768).

Almost surely, 2^18230940466 is an apocalyptic number.

18230940466 is a deficient number, since it is larger than the sum of its proper divisors (9380969678).

18230940466 is a wasteful number, since it uses less digits than its factorization.

18230940466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88499816.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 18230940466 in words is "eighteen billion, two hundred thirty million, nine hundred forty thousand, four hundred sixty-six".