216188885707803 has 6 divisors (see below), whose sum is σ = 312272834911284. Its totient is φ = 144125923805196.

The previous prime is 216188885707771. The next prime is 216188885707807. The reversal of 216188885707803 is 308707588881612.

It is not a de Polignac number, because 216188885707803 - 2⁵ = 216188885707771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216188885707807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12010493650425 + ... + 12010493650442.

It is an arithmetic number, because the mean of its divisors is an integer number (52045472485214).

Almost surely, 2^{216188885707803} is an apocalyptic number.

216188885707803 is a deficient number, since it is larger than the sum of its proper divisors (96083949203481).

216188885707803 is a wasteful number, since it uses less digits than its factorization.

216188885707803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020987300873 (or 24020987300870 counting only the distinct ones).

The product of its (nonzero) digits is 289013760, while the sum is 72.

The spelling of 216188885707803 in words is "two hundred sixteen trillion, one hundred eighty-eight billion, eight hundred eighty-five million, seven hundred seven thousand, eight hundred three".