216453414163 has 4 divisors (see below), whose sum is σ = 247375330480. Its totient is φ = 185531497848.

The previous prime is 216453414139. The next prime is 216453414179. The reversal of 216453414163 is 361414354612.

216453414163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216453414163 - 2²⁹ = 215916543251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216453414113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15460958148 + ... + 15460958161.

It is an arithmetic number, because the mean of its divisors is an integer number (61843832620).

Almost surely, 2^216453414163 is an apocalyptic number.

216453414163 is a deficient number, since it is larger than the sum of its proper divisors (30921916317).

216453414163 is an equidigital number, since it uses as much as digits as its factorization.

216453414163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30921916316.

The product of its digits is 207360, while the sum is 40.

Adding to 216453414163 its reverse (361414354612), we get a palindrome (577867768775).

The spelling of 216453414163 in words is "two hundred sixteen billion, four hundred fifty-three million, four hundred fourteen thousand, one hundred sixty-three".