216114663 has 4 divisors (see below), whose sum is σ = 288152888. Its totient is φ = 144076440.

The previous prime is 216114637. The next prime is 216114667. The reversal of 216114663 is 366411612.

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

It is not a de Polignac number, because 216114663 - 2⁵ = 216114631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216114663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216114667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36019108 + ... + 36019113.

It is an arithmetic number, because the mean of its divisors is an integer number (72038222).

Almost surely, 2^216114663 is an apocalyptic number.

216114663 is a deficient number, since it is larger than the sum of its proper divisors (72038225).

216114663 is an equidigital number, since it uses as much as digits as its factorization.

216114663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72038224.

The product of its digits is 5184, while the sum is 30.

The square root of 216114663 is about 14700.8388536165. The cubic root of 216114663 is about 600.1061506634.

The spelling of 216114663 in words is "two hundred sixteen million, one hundred fourteen thousand, six hundred sixty-three".