18316806071 has 2 divisors, whose sum is σ = 18316806072. Its totient is φ = 18316806070.

The previous prime is 18316806061. The next prime is 18316806089. The reversal of 18316806071 is 17060861381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18316806071 - 2²² = 18312611767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18316806031) 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, 9158403035 + 9158403036.

It is an arithmetic number, because the mean of its divisors is an integer number (9158403036).

Almost surely, 2^18316806071 is an apocalyptic number.

18316806071 is a deficient number, since it is larger than the sum of its proper divisors (1).

18316806071 is an equidigital number, since it uses as much as digits as its factorization.

18316806071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 18316806071 in words is "eighteen billion, three hundred sixteen million, eight hundred six thousand, seventy-one".