216332648305 has 16 divisors (see below), whose sum is σ = 260599392000. Its totient is φ = 172399518720.

The previous prime is 216332648269. The next prime is 216332648327. The reversal of 216332648305 is 503846233612.

It is not a de Polignac number, because 216332648305 - 2⁷ = 216332648177 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13676241 + ... + 13692049.

It is an arithmetic number, because the mean of its divisors is an integer number (16287462000).

Almost surely, 2^216332648305 is an apocalyptic number.

It is an amenable number.

216332648305 is a deficient number, since it is larger than the sum of its proper divisors (44266743695).

216332648305 is a wasteful number, since it uses less digits than its factorization.

216332648305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26184.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 216332648305 in words is "two hundred sixteen billion, three hundred thirty-two million, six hundred forty-eight thousand, three hundred five".