216102161029 has 2 divisors, whose sum is σ = 216102161030. Its totient is φ = 216102161028.

The previous prime is 216102161017. The next prime is 216102161089. The reversal of 216102161029 is 920161201612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131531704929 + 84570456100 = 362673^2 + 290810^2 .

It is a cyclic number.

It is not a de Polignac number, because 216102161029 - 2⁹ = 216102160517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216102161089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108051080514 + 108051080515.

It is an arithmetic number, because the mean of its divisors is an integer number (108051080515).

Almost surely, 2^216102161029 is an apocalyptic number.

It is an amenable number.

216102161029 is a deficient number, since it is larger than the sum of its proper divisors (1).

216102161029 is an equidigital number, since it uses as much as digits as its factorization.

216102161029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 216102161029 in words is "two hundred sixteen billion, one hundred two million, one hundred sixty-one thousand, twenty-nine".