216266111473157 has 2 divisors, whose sum is σ = 216266111473158. Its totient is φ = 216266111473156.

The previous prime is 216266111473133. The next prime is 216266111473163. The reversal of 216266111473157 is 751374111662612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202989518058721 + 13276593414436 = 14247439^2 + 3643706^2 .

It is a cyclic number.

It is not a de Polignac number, because 216266111473157 - 2²⁴ = 216266094695941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216266111473099 and 216266111473108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216266111473057) 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, 108133055736578 + 108133055736579.

It is an arithmetic number, because the mean of its divisors is an integer number (108133055736579).

Almost surely, 2^{216266111473157} is an apocalyptic number.

It is an amenable number.

216266111473157 is a deficient number, since it is larger than the sum of its proper divisors (1).

216266111473157 is an equidigital number, since it uses as much as digits as its factorization.

216266111473157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The spelling of 216266111473157 in words is "two hundred sixteen trillion, two hundred sixty-six billion, one hundred eleven million, four hundred seventy-three thousand, one hundred fifty-seven".