16734691 has 2 divisors, whose sum is σ = 16734692. Its totient is φ = 16734690.

The previous prime is 16734689. The next prime is 16734703. The reversal of 16734691 is 19643761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16734691 - 2¹ = 16734689 is a prime.

Together with 16734689, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16734691.

It is not a weakly prime, because it can be changed into another prime (16734631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8367345 + 8367346.

It is an arithmetic number, because the mean of its divisors is an integer number (8367346).

Almost surely, 2^16734691 is an apocalyptic number.

16734691 is a deficient number, since it is larger than the sum of its proper divisors (1).

16734691 is an equidigital number, since it uses as much as digits as its factorization.

16734691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 16734691 is about 4090.8056663694. The cubic root of 16734691 is about 255.7835236619.

The spelling of 16734691 in words is "sixteen million, seven hundred thirty-four thousand, six hundred ninety-one".