16697867 has 2 divisors, whose sum is σ = 16697868. Its totient is φ = 16697866.

The previous prime is 16697843. The next prime is 16697869. The reversal of 16697867 is 76879661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16697867 - 2¹⁰ = 16696843 is a prime.

Together with 16697869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16697869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348933 + 8348934.

It is an arithmetic number, because the mean of its divisors is an integer number (8348934).

Almost surely, 2^16697867 is an apocalyptic number.

16697867 is a deficient number, since it is larger than the sum of its proper divisors (1).

16697867 is an equidigital number, since it uses as much as digits as its factorization.

16697867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 16697867 is about 4086.3023627725. The cubic root of 16697867 is about 255.5957721697.

The spelling of 16697867 in words is "sixteen million, six hundred ninety-seven thousand, eight hundred sixty-seven".