18016116323 has 8 divisors (see below), whose sum is σ = 18143259648. Its totient is φ = 17889175944.

The previous prime is 18016116263. The next prime is 18016116341. The reversal of 18016116323 is 32361161081.

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 18016116323 - 2²⁴ = 17999339107 is a prime.

It is a super-4 number, since 4×18016116323⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18016116323.

It is not an unprimeable number, because it can be changed into a prime (18016116383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129686 + ... + 229892.

It is an arithmetic number, because the mean of its divisors is an integer number (2267907456).

Almost surely, 2^18016116323 is an apocalyptic number.

18016116323 is a deficient number, since it is larger than the sum of its proper divisors (127143325).

18016116323 is a wasteful number, since it uses less digits than its factorization.

18016116323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101473.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 18016116323 in words is "eighteen billion, sixteen million, one hundred sixteen thousand, three hundred twenty-three".