818163056803 has 2 divisors, whose sum is σ = 818163056804. Its totient is φ = 818163056802.

The previous prime is 818163056779. The next prime is 818163056881. The reversal of 818163056803 is 308650361818.

818163056803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818163056803 - 2¹³ = 818163048611 is a prime.

It is not a weakly prime, because it can be changed into another prime (818163156803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409081528401 + 409081528402.

It is an arithmetic number, because the mean of its divisors is an integer number (409081528402).

Almost surely, 2^818163056803 is an apocalyptic number.

818163056803 is a deficient number, since it is larger than the sum of its proper divisors (1).

818163056803 is an equidigital number, since it uses as much as digits as its factorization.

818163056803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 818163056803 in words is "eight hundred eighteen billion, one hundred sixty-three million, fifty-six thousand, eight hundred three".