216422044784445 has 8 divisors (see below), whose sum is σ = 346275271655136. Its totient is φ = 115425090551696.

The previous prime is 216422044784441. The next prime is 216422044784467. The reversal of 216422044784445 is 544487440224612.

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

It is a cyclic number.

It is not a de Polignac number, because 216422044784445 - 2² = 216422044784441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216422044784441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7214068159467 + ... + 7214068159496.

It is an arithmetic number, because the mean of its divisors is an integer number (43284408956892).

Almost surely, 2^{216422044784445} is an apocalyptic number.

It is an amenable number.

216422044784445 is a deficient number, since it is larger than the sum of its proper divisors (129853226870691).

216422044784445 is a wasteful number, since it uses less digits than its factorization.

216422044784445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428136318971.

The product of its (nonzero) digits is 55050240, while the sum is 57.

The spelling of 216422044784445 in words is "two hundred sixteen trillion, four hundred twenty-two billion, forty-four million, seven hundred eighty-four thousand, four hundred forty-five".