18116383841 has 2 divisors, whose sum is σ = 18116383842. Its totient is φ = 18116383840.

The previous prime is 18116383811. The next prime is 18116383847. The reversal of 18116383841 is 14838361181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12475773025 + 5640610816 = 111695^2 + 75104^2 .

It is a cyclic number.

It is not a de Polignac number, because 18116383841 - 2¹⁴ = 18116367457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18116383792 and 18116383801.

It is not a weakly prime, because it can be changed into another prime (18116383847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9058191920 + 9058191921.

It is an arithmetic number, because the mean of its divisors is an integer number (9058191921).

Almost surely, 2^18116383841 is an apocalyptic number.

It is an amenable number.

18116383841 is a deficient number, since it is larger than the sum of its proper divisors (1).

18116383841 is an equidigital number, since it uses as much as digits as its factorization.

18116383841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The spelling of 18116383841 in words is "eighteen billion, one hundred sixteen million, three hundred eighty-three thousand, eight hundred forty-one".