18116383847 has 2 divisors, whose sum is σ = 18116383848. Its totient is φ = 18116383846.

The previous prime is 18116383841. The next prime is 18116383903. The reversal of 18116383847 is 74838361181.

It is a weak prime.

It is an emirp because it is prime and its reverse (74838361181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18116383847 - 2¹⁴ = 18116367463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18116383795 and 18116383804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18116383841) by changing a digit.

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 as a sum of consecutive naturals, namely, 9058191923 + 9058191924.

It is an arithmetic number, because the mean of its divisors is an integer number (9058191924).

Almost surely, 2^18116383847 is an apocalyptic number.

18116383847 is a deficient number, since it is larger than the sum of its proper divisors (1).

18116383847 is an equidigital number, since it uses as much as digits as its factorization.

18116383847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The spelling of 18116383847 in words is "eighteen billion, one hundred sixteen million, three hundred eighty-three thousand, eight hundred forty-seven".