18164118844318 has 8 divisors (see below), whose sum is σ = 27246219225480. Its totient is φ = 9082045769160.

The previous prime is 18164118844303. The next prime is 18164118844381. The reversal of 18164118844318 is 81344881146181.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5073448 + ... + 7878331.

It is an arithmetic number, because the mean of its divisors is an integer number (3405777403185).

Almost surely, 2^{18164118844318} is an apocalyptic number.

18164118844318 is a deficient number, since it is larger than the sum of its proper divisors (9082100381162).

18164118844318 is a wasteful number, since it uses less digits than its factorization.

18164118844318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13653002.

The product of its digits is 4718592, while the sum is 58.

The spelling of 18164118844318 in words is "eighteen trillion, one hundred sixty-four billion, one hundred eighteen million, eight hundred forty-four thousand, three hundred eighteen".