18116382464123 has 2 divisors, whose sum is σ = 18116382464124. Its totient is φ = 18116382464122.

The previous prime is 18116382464099. The next prime is 18116382464143. The reversal of 18116382464123 is 32146428361181.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18116382464123 - 2²² = 18116378269819 is a prime.

It is not a weakly prime, because it can be changed into another prime (18116382464143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9058191232061 + 9058191232062.

It is an arithmetic number, because the mean of its divisors is an integer number (9058191232062).

Almost surely, 2^{18116382464123} is an apocalyptic number.

18116382464123 is a deficient number, since it is larger than the sum of its proper divisors (1).

18116382464123 is an equidigital number, since it uses as much as digits as its factorization.

18116382464123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The spelling of 18116382464123 in words is "eighteen trillion, one hundred sixteen billion, three hundred eighty-two million, four hundred sixty-four thousand, one hundred twenty-three".