216814183329 has 16 divisors (see below), whose sum is σ = 306156828672. Its totient is φ = 136194759888.

The previous prime is 216814183259. The next prime is 216814183351. The reversal of 216814183329 is 923381418612.

216814183329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-216814183329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216814183429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23444889 + ... + 23454134.

It is an arithmetic number, because the mean of its divisors is an integer number (19134801792).

Almost surely, 2^216814183329 is an apocalyptic number.

It is an amenable number.

216814183329 is a deficient number, since it is larger than the sum of its proper divisors (89342645343).

216814183329 is a wasteful number, since it uses less digits than its factorization.

216814183329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46899116.

The product of its digits is 497664, while the sum is 48.

The spelling of 216814183329 in words is "two hundred sixteen billion, eight hundred fourteen million, one hundred eighty-three thousand, three hundred twenty-nine".