16886122213 has 2 divisors, whose sum is σ = 16886122214. Its totient is φ = 16886122212.

The previous prime is 16886122207. The next prime is 16886122303. The reversal of 16886122213 is 31222168861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16475776164 + 410346049 = 128358^2 + 20257^2 .

It is a cyclic number.

It is not a de Polignac number, because 16886122213 - 2⁹ = 16886121701 is a prime.

It is a super-2 number, since 2×16886122213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16886122013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8443061106 + 8443061107.

It is an arithmetic number, because the mean of its divisors is an integer number (8443061107).

Almost surely, 2^16886122213 is an apocalyptic number.

It is an amenable number.

16886122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

16886122213 is an equidigital number, since it uses as much as digits as its factorization.

16886122213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The spelling of 16886122213 in words is "sixteen billion, eight hundred eighty-six million, one hundred twenty-two thousand, two hundred thirteen".