216662000201 has 2 divisors, whose sum is σ = 216662000202. Its totient is φ = 216662000200.

The previous prime is 216662000147. The next prime is 216662000221. The reversal of 216662000201 is 102000266612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210842598976 + 5819401225 = 459176^2 + 76285^2 .

It is a cyclic number.

It is not a de Polignac number, because 216662000201 - 2¹⁴ = 216661983817 is a prime.

It is not a weakly prime, because it can be changed into another prime (216662000221) 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, 108331000100 + 108331000101.

It is an arithmetic number, because the mean of its divisors is an integer number (108331000101).

Almost surely, 2^216662000201 is an apocalyptic number.

It is an amenable number.

216662000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

216662000201 is an equidigital number, since it uses as much as digits as its factorization.

216662000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 216662000201 its reverse (102000266612), we get a palindrome (318662266813).

The spelling of 216662000201 in words is "two hundred sixteen billion, six hundred sixty-two million, two hundred one", and thus it is an aban number.