216501006304330 has 128 divisors (see below), whose sum is σ = 429944334704640. Its totient is φ = 77840730432000.

The previous prime is 216501006304273. The next prime is 216501006304333. The reversal of 216501006304330 is 33403600105612.

It is not an unprimeable number, because it can be changed into a prime (216501006304333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18455454565 + ... + 18455466295.

It is an arithmetic number, because the mean of its divisors is an integer number (3358940114880).

Almost surely, 2^{216501006304330} is an apocalyptic number.

216501006304330 is a deficient number, since it is larger than the sum of its proper divisors (213443328400310).

216501006304330 is a wasteful number, since it uses less digits than its factorization.

216501006304330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16676.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 216501006304330 its reverse (33403600105612), we get a palindrome (249904606409942).

The spelling of 216501006304330 in words is "two hundred sixteen trillion, five hundred one billion, six million, three hundred four thousand, three hundred thirty".