216188812255363 has 2 divisors, whose sum is σ = 216188812255364. Its totient is φ = 216188812255362.

The previous prime is 216188812255253. The next prime is 216188812255373. The reversal of 216188812255363 is 363552218881612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216188812255363 - 2²⁹ = 216188275384451 is a prime.

It is not a weakly prime, because it can be changed into another prime (216188812255373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108094406127681 + 108094406127682.

It is an arithmetic number, because the mean of its divisors is an integer number (108094406127682).

Almost surely, 2^{216188812255363} is an apocalyptic number.

216188812255363 is a deficient number, since it is larger than the sum of its proper divisors (1).

216188812255363 is an equidigital number, since it uses as much as digits as its factorization.

216188812255363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33177600, while the sum is 61.

The spelling of 216188812255363 in words is "two hundred sixteen trillion, one hundred eighty-eight billion, eight hundred twelve million, two hundred fifty-five thousand, three hundred sixty-three".