216366045305 has 8 divisors (see below), whose sum is σ = 273304478400. Its totient is φ = 163982686896.

The previous prime is 216366045281. The next prime is 216366045307. The reversal of 216366045305 is 503540663612.

216366045305 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 a cyclic number.

It is not a de Polignac number, because 216366045305 - 2³⁶ = 147646568569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216366045307) 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 7 ways as a sum of consecutive naturals, for example, 1138768565 + ... + 1138768754.

It is an arithmetic number, because the mean of its divisors is an integer number (34163059800).

Almost surely, 2^216366045305 is an apocalyptic number.

It is an amenable number.

216366045305 is a deficient number, since it is larger than the sum of its proper divisors (56938433095).

216366045305 is a wasteful number, since it uses less digits than its factorization.

216366045305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277537343.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 216366045305 in words is "two hundred sixteen billion, three hundred sixty-six million, forty-five thousand, three hundred five".