16736939917 has 2 divisors, whose sum is σ = 16736939918. Its totient is φ = 16736939916.

The previous prime is 16736939903. The next prime is 16736939971. The reversal of 16736939917 is 71993963761.

Together with next prime (16736939971) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16308822436 + 428117481 = 127706^2 + 20691^2 .

It is a cyclic number.

It is not a de Polignac number, because 16736939917 - 2³¹ = 14589456269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16736939987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8368469958 + 8368469959.

It is an arithmetic number, because the mean of its divisors is an integer number (8368469959).

Almost surely, 2^16736939917 is an apocalyptic number.

It is an amenable number.

16736939917 is a deficient number, since it is larger than the sum of its proper divisors (1).

16736939917 is an equidigital number, since it uses as much as digits as its factorization.

16736939917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11573604, while the sum is 61.

The spelling of 16736939917 in words is "sixteen billion, seven hundred thirty-six million, nine hundred thirty-nine thousand, nine hundred seventeen".