216433005 has 8 divisors (see below), whose sum is σ = 346292832. Its totient is φ = 115430928.

The previous prime is 216432991. The next prime is 216433031. The reversal of 216433005 is 500334612.

It is a happy number.

216433005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216433005 - 2⁹ = 216432493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7214419 + ... + 7214448.

It is an arithmetic number, because the mean of its divisors is an integer number (43286604).

Almost surely, 2^216433005 is an apocalyptic number.

It is an amenable number.

216433005 is a deficient number, since it is larger than the sum of its proper divisors (129859827).

216433005 is a wasteful number, since it uses less digits than its factorization.

216433005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428875.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 216433005 is about 14711.6622106409. The cubic root of 216433005 is about 600.4006629447.

Adding to 216433005 its reverse (500334612), we get a palindrome (716767617).

The spelling of 216433005 in words is "two hundred sixteen million, four hundred thirty-three thousand, five".