555216163 has 2 divisors, whose sum is σ = 555216164. Its totient is φ = 555216162.

The previous prime is 555216161. The next prime is 555216197. The reversal of 555216163 is 361612555.

555216163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (555216197) can be obtained adding 555216163 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555216163 - 2¹ = 555216161 is a prime.

Together with 555216161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (555216161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277608081 + 277608082.

It is an arithmetic number, because the mean of its divisors is an integer number (277608082).

Almost surely, 2^555216163 is an apocalyptic number.

555216163 is a deficient number, since it is larger than the sum of its proper divisors (1).

555216163 is an equidigital number, since it uses as much as digits as its factorization.

555216163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 555216163 is about 23563.0253363188. The cubic root of 555216163 is about 821.9032545391.

The spelling of 555216163 in words is "five hundred fifty-five million, two hundred sixteen thousand, one hundred sixty-three".