2116216187 has 2 divisors, whose sum is σ = 2116216188. Its totient is φ = 2116216186.

The previous prime is 2116216169. The next prime is 2116216211. The reversal of 2116216187 is 7816126112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2116216187 - 2⁸ = 2116215931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116216127) 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, 1058108093 + 1058108094.

It is an arithmetic number, because the mean of its divisors is an integer number (1058108094).

Almost surely, 2^2116216187 is an apocalyptic number.

2116216187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116216187 is an equidigital number, since it uses as much as digits as its factorization.

2116216187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 2116216187 is about 46002.3497986788. The cubic root of 2116216187 is about 1283.8669248947.

The spelling of 2116216187 in words is "two billion, one hundred sixteen million, two hundred sixteen thousand, one hundred eighty-seven".