216100415191 has 2 divisors, whose sum is σ = 216100415192. Its totient is φ = 216100415190.

The previous prime is 216100415189. The next prime is 216100415249. The reversal of 216100415191 is 191514001612.

It is a happy number.

216100415191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216100415191 - 2¹ = 216100415189 is a prime.

Together with 216100415189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216100475191) 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 as a sum of consecutive naturals, namely, 108050207595 + 108050207596.

It is an arithmetic number, because the mean of its divisors is an integer number (108050207596).

Almost surely, 2^216100415191 is an apocalyptic number.

216100415191 is a deficient number, since it is larger than the sum of its proper divisors (1).

216100415191 is an equidigital number, since it uses as much as digits as its factorization.

216100415191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The spelling of 216100415191 in words is "two hundred sixteen billion, one hundred million, four hundred fifteen thousand, one hundred ninety-one".