4216665599 has 4 divisors (see below), whose sum is σ = 4225049136. Its totient is φ = 4208282064.

The previous prime is 4216665437. The next prime is 4216665617. The reversal of 4216665599 is 9955666124.

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 4216665599 - 2²⁰ = 4215617023 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 4216665599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216665799) 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 in 3 ways as a sum of consecutive naturals, for example, 4191014 + ... + 4192019.

It is an arithmetic number, because the mean of its divisors is an integer number (1056262284).

Almost surely, 2^4216665599 is an apocalyptic number.

4216665599 is a deficient number, since it is larger than the sum of its proper divisors (8383537).

4216665599 is an equidigital number, since it uses as much as digits as its factorization.

4216665599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383536.

The product of its digits is 3499200, while the sum is 53.

The square root of 4216665599 is about 64935.8575749947. The cubic root of 4216665599 is about 1615.5598577838.

The spelling of 4216665599 in words is "four billion, two hundred sixteen million, six hundred sixty-five thousand, five hundred ninety-nine".