16806967 has 2 divisors, whose sum is σ = 16806968. Its totient is φ = 16806966.

The previous prime is 16806961. The next prime is 16806971. The reversal of 16806967 is 76960861.

It is a strong prime.

It is an emirp because it is prime and its reverse (76960861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16806967 - 2²³ = 8418359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16806961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8403483 + 8403484.

It is an arithmetic number, because the mean of its divisors is an integer number (8403484).

Almost surely, 2^16806967 is an apocalyptic number.

16806967 is a deficient number, since it is larger than the sum of its proper divisors (1).

16806967 is an equidigital number, since it uses as much as digits as its factorization.

16806967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 16806967 is about 4099.6301052656. The cubic root of 16806967 is about 256.1512320532.

The spelling of 16806967 in words is "sixteen million, eight hundred six thousand, nine hundred sixty-seven".