16966427 has 2 divisors, whose sum is σ = 16966428. Its totient is φ = 16966426.

The previous prime is 16966423. The next prime is 16966471. The reversal of 16966427 is 72466961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16966427 - 2² = 16966423 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16966423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8483213 + 8483214.

It is an arithmetic number, because the mean of its divisors is an integer number (8483214).

Almost surely, 2^16966427 is an apocalyptic number.

16966427 is a deficient number, since it is larger than the sum of its proper divisors (1).

16966427 is an equidigital number, since it uses as much as digits as its factorization.

16966427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 16966427 is about 4119.0322892641. The cubic root of 16966427 is about 256.9587815620.

The spelling of 16966427 in words is "sixteen million, nine hundred sixty-six thousand, four hundred twenty-seven".