16706952709 has 2 divisors, whose sum is σ = 16706952710. Its totient is φ = 16706952708.

The previous prime is 16706952679. The next prime is 16706952749. The reversal of 16706952709 is 90725960761.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16155172609 + 551780100 = 127103^2 + 23490^2 .

It is a cyclic number.

It is not a de Polignac number, because 16706952709 - 2¹¹ = 16706950661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16706952749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8353476354 + 8353476355.

It is an arithmetic number, because the mean of its divisors is an integer number (8353476355).

Almost surely, 2^16706952709 is an apocalyptic number.

It is an amenable number.

16706952709 is a deficient number, since it is larger than the sum of its proper divisors (1).

16706952709 is an equidigital number, since it uses as much as digits as its factorization.

16706952709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 16706952709 in words is "sixteen billion, seven hundred six million, nine hundred fifty-two thousand, seven hundred nine".