16716872269 has 2 divisors, whose sum is σ = 16716872270. Its totient is φ = 16716872268.

The previous prime is 16716872197. The next prime is 16716872279. The reversal of 16716872269 is 96227861761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16705562500 + 11309769 = 129250^2 + 3363^2 .

It is a cyclic number.

It is not a de Polignac number, because 16716872269 - 2¹⁹ = 16716347981 is a prime.

It is a super-2 number, since 2×16716872269² (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 (16716872279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358436134 + 8358436135.

It is an arithmetic number, because the mean of its divisors is an integer number (8358436135).

Almost surely, 2^16716872269 is an apocalyptic number.

It is an amenable number.

16716872269 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716872269 is an equidigital number, since it uses as much as digits as its factorization.

16716872269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The spelling of 16716872269 in words is "sixteen billion, seven hundred sixteen million, eight hundred seventy-two thousand, two hundred sixty-nine".