16640012759 has 2 divisors, whose sum is σ = 16640012760. Its totient is φ = 16640012758.

The previous prime is 16640012749. The next prime is 16640012761. The reversal of 16640012759 is 95721004661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16640012759 - 2⁸ = 16640012503 is a prime.

Together with 16640012761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16640012749) 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, 8320006379 + 8320006380.

It is an arithmetic number, because the mean of its divisors is an integer number (8320006380).

Almost surely, 2^16640012759 is an apocalyptic number.

16640012759 is a deficient number, since it is larger than the sum of its proper divisors (1).

16640012759 is an equidigital number, since it uses as much as digits as its factorization.

16640012759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 16640012759 in words is "sixteen billion, six hundred forty million, twelve thousand, seven hundred fifty-nine".