16716124729 has 2 divisors, whose sum is σ = 16716124730. Its totient is φ = 16716124728.

The previous prime is 16716124717. The next prime is 16716124739. The reversal of 16716124729 is 92742161761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9341609104 + 7374515625 = 96652^2 + 85875^2 .

It is an emirp because it is prime and its reverse (92742161761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16716124729 - 2²³ = 16707736121 is a prime.

It is not a weakly prime, because it can be changed into another prime (16716124709) 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, 8358062364 + 8358062365.

It is an arithmetic number, because the mean of its divisors is an integer number (8358062365).

Almost surely, 2^16716124729 is an apocalyptic number.

It is an amenable number.

16716124729 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716124729 is an equidigital number, since it uses as much as digits as its factorization.

16716124729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

It can be divided in two parts, 167161 and 24729, that added together give a triangular number (191890 = T₆₁₉).

The spelling of 16716124729 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty-four thousand, seven hundred twenty-nine".