216063643311 has 24 divisors (see below), whose sum is σ = 324492648480. Its totient is φ = 138369448896.

The previous prime is 216063643277. The next prime is 216063643351. The reversal of 216063643311 is 113346360612.

216063643311 is a `hidden beast` number, since 2 + 1 + 6 + 0 + 6 + 3 + 643 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 216063643311 - 2³¹ = 213916159663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216063643351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2049675 + ... + 2152508.

It is an arithmetic number, because the mean of its divisors is an integer number (13520527020).

Almost surely, 2^216063643311 is an apocalyptic number.

216063643311 is a deficient number, since it is larger than the sum of its proper divisors (108429005169).

216063643311 is a wasteful number, since it uses less digits than its factorization.

216063643311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202415 (or 4202412 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 216063643311 in words is "two hundred sixteen billion, sixty-three million, six hundred forty-three thousand, three hundred eleven".