216880587088089 has 16 divisors (see below), whose sum is σ = 310060109617920. Its totient is φ = 134359380829440.

The previous prime is 216880587088051. The next prime is 216880587088147. The reversal of 216880587088089 is 980880785088612.

It is a de Polignac number, because none of the positive numbers 2^k-216880587088089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216880587088189) 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 15 ways as a sum of consecutive naturals, for example, 26914936042 + ... + 26914944099.

It is an arithmetic number, because the mean of its divisors is an integer number (19378756851120).

Almost surely, 2^{216880587088089} is an apocalyptic number.

It is an amenable number.

216880587088089 is a deficient number, since it is larger than the sum of its proper divisors (93179522529831).

216880587088089 is a wasteful number, since it uses less digits than its factorization.

216880587088089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53829880240.

The product of its (nonzero) digits is 990904320, while the sum is 78.

The spelling of 216880587088089 in words is "two hundred sixteen trillion, eight hundred eighty billion, five hundred eighty-seven million, eighty-eight thousand, eighty-nine".