18480435185 has 8 divisors (see below), whose sum is σ = 22552395840. Its totient is φ = 14533765744.

The previous prime is 18480435167. The next prime is 18480435199. The reversal of 18480435185 is 58153408481.

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

It is a cyclic number.

It is not a de Polignac number, because 18480435185 - 2²⁰ = 18479386609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31322477 + ... + 31323066.

It is an arithmetic number, because the mean of its divisors is an integer number (2819049480).

Almost surely, 2^18480435185 is an apocalyptic number.

It is an amenable number.

18480435185 is a deficient number, since it is larger than the sum of its proper divisors (4071960655).

18480435185 is an equidigital number, since it uses as much as digits as its factorization.

18480435185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62645607.

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 18480435185 in words is "eighteen billion, four hundred eighty million, four hundred thirty-five thousand, one hundred eighty-five".