16967009 has 2 divisors, whose sum is σ = 16967010. Its totient is φ = 16967008.

The previous prime is 16966997. The next prime is 16967017. The reversal of 16967009 is 90076961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14227984 + 2739025 = 3772^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 16967009 - 2¹⁶ = 16901473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16967029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8483504 + 8483505.

It is an arithmetic number, because the mean of its divisors is an integer number (8483505).

Almost surely, 2^16967009 is an apocalyptic number.

It is an amenable number.

16967009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16967009 is an equidigital number, since it uses as much as digits as its factorization.

16967009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 16967009 is about 4119.1029363200. The cubic root of 16967009 is about 256.9617196841.

The spelling of 16967009 in words is "sixteen million, nine hundred sixty-seven thousand, nine".