16694963 has 2 divisors, whose sum is σ = 16694964. Its totient is φ = 16694962.

The previous prime is 16694929. The next prime is 16694989. The reversal of 16694963 is 36949661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16694963 - 2¹⁰ = 16693939 is a prime.

It is not a weakly prime, because it can be changed into another prime (16694903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8347481 + 8347482.

It is an arithmetic number, because the mean of its divisors is an integer number (8347482).

Almost surely, 2^16694963 is an apocalyptic number.

16694963 is a deficient number, since it is larger than the sum of its proper divisors (1).

16694963 is an equidigital number, since it uses as much as digits as its factorization.

16694963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 16694963 is about 4085.9470138513. The cubic root of 16694963 is about 255.5809540464.

The spelling of 16694963 in words is "sixteen million, six hundred ninety-four thousand, nine hundred sixty-three".