16491310211 has 2 divisors, whose sum is σ = 16491310212. Its totient is φ = 16491310210.

The previous prime is 16491310189. The next prime is 16491310217. The reversal of 16491310211 is 11201319461.

It is a strong prime.

It is an emirp because it is prime and its reverse (11201319461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16491310211 - 2²² = 16487115907 is a prime.

It is not a weakly prime, because it can be changed into another prime (16491310217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8245655105 + 8245655106.

It is an arithmetic number, because the mean of its divisors is an integer number (8245655106).

Almost surely, 2^16491310211 is an apocalyptic number.

16491310211 is a deficient number, since it is larger than the sum of its proper divisors (1).

16491310211 is an equidigital number, since it uses as much as digits as its factorization.

16491310211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 16491310211 its reverse (11201319461), we get a palindrome (27692629672).

The spelling of 16491310211 in words is "sixteen billion, four hundred ninety-one million, three hundred ten thousand, two hundred eleven".