216026343665847 has 48 divisors (see below), whose sum is σ = 366663356186400. Its totient is φ = 120829767598080.

The previous prime is 216026343665807. The next prime is 216026343665863. The reversal of 216026343665847 is 748566343620612.

216026343665847 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 2 + 6 + 3 + 43 + 6 + 6 + 584 + 7 = 666.

It is not a de Polignac number, because 216026343665847 - 2¹⁶ = 216026343600311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216026343665807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10308522 + ... + 23201687.

It is an arithmetic number, because the mean of its divisors is an integer number (7638819920550).

Almost surely, 2^{216026343665847} is an apocalyptic number.

216026343665847 is a deficient number, since it is larger than the sum of its proper divisors (150637012520553).

216026343665847 is a wasteful number, since it uses less digits than its factorization.

216026343665847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33515248 (or 33515245 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 63.

The spelling of 216026343665847 in words is "two hundred sixteen trillion, twenty-six billion, three hundred forty-three million, six hundred sixty-five thousand, eight hundred forty-seven".