16071006709 has 2 divisors, whose sum is σ = 16071006710. Its totient is φ = 16071006708.

The previous prime is 16071006649. The next prime is 16071006719. The reversal of 16071006709 is 90760017061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11119069809 + 4951936900 = 105447^2 + 70370^2 .

It is a cyclic number.

It is not a de Polignac number, because 16071006709 - 2⁹ = 16071006197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16071006719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035503354 + 8035503355.

It is an arithmetic number, because the mean of its divisors is an integer number (8035503355).

Almost surely, 2^16071006709 is an apocalyptic number.

It is an amenable number.

16071006709 is a deficient number, since it is larger than the sum of its proper divisors (1).

16071006709 is an equidigital number, since it uses as much as digits as its factorization.

16071006709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The spelling of 16071006709 in words is "sixteen billion, seventy-one million, six thousand, seven hundred nine".