216304555245 has 8 divisors (see below), whose sum is σ = 346087288416. Its totient is φ = 115362429456.

The previous prime is 216304555231. The next prime is 216304555253. The reversal of 216304555245 is 542555403612.

216304555245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 216304555245 - 2⁹ = 216304554733 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 216304555197 and 216304555206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7210151827 + ... + 7210151856.

It is an arithmetic number, because the mean of its divisors is an integer number (43260911052).

Almost surely, 2^216304555245 is an apocalyptic number.

It is an amenable number.

216304555245 is a deficient number, since it is larger than the sum of its proper divisors (129782733171).

216304555245 is a wasteful number, since it uses less digits than its factorization.

216304555245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14420303691.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 216304555245 its reverse (542555403612), we get a palindrome (758859958857).

The spelling of 216304555245 in words is "two hundred sixteen billion, three hundred four million, five hundred fifty-five thousand, two hundred forty-five".