216565101079 has 2 divisors, whose sum is σ = 216565101080. Its totient is φ = 216565101078.

The previous prime is 216565101041. The next prime is 216565101083. The reversal of 216565101079 is 970101565612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216565101079 - 2³¹ = 214417617431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216565101019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108282550539 + 108282550540.

It is an arithmetic number, because the mean of its divisors is an integer number (108282550540).

Almost surely, 2^216565101079 is an apocalyptic number.

216565101079 is a deficient number, since it is larger than the sum of its proper divisors (1).

216565101079 is an equidigital number, since it uses as much as digits as its factorization.

216565101079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 216565101079 in words is "two hundred sixteen billion, five hundred sixty-five million, one hundred one thousand, seventy-nine".