216833416513 has 4 divisors (see below), whose sum is σ = 247809618880. Its totient is φ = 185857214148.

The previous prime is 216833416511. The next prime is 216833416529. The reversal of 216833416513 is 315614338612.

216833416513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216833416513 - 2¹ = 216833416511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216833416513.

It is not an unprimeable number, because it can be changed into a prime (216833416511) 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 3 ways as a sum of consecutive naturals, for example, 15488101173 + ... + 15488101186.

It is an arithmetic number, because the mean of its divisors is an integer number (61952404720).

Almost surely, 2^216833416513 is an apocalyptic number.

It is an amenable number.

216833416513 is a deficient number, since it is larger than the sum of its proper divisors (30976202367).

216833416513 is an equidigital number, since it uses as much as digits as its factorization.

216833416513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30976202366.

The product of its digits is 311040, while the sum is 43.

The spelling of 216833416513 in words is "two hundred sixteen billion, eight hundred thirty-three million, four hundred sixteen thousand, five hundred thirteen".