16941563 has 2 divisors, whose sum is σ = 16941564. Its totient is φ = 16941562.

The previous prime is 16941541. The next prime is 16941583. The reversal of 16941563 is 36514961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16941563 - 2⁶ = 16941499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16941583) 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, 8470781 + 8470782.

It is an arithmetic number, because the mean of its divisors is an integer number (8470782).

Almost surely, 2^16941563 is an apocalyptic number.

16941563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16941563 is an equidigital number, since it uses as much as digits as its factorization.

16941563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 16941563 is about 4116.0129980358. The cubic root of 16941563 is about 256.8331973384.

The spelling of 16941563 in words is "sixteen million, nine hundred forty-one thousand, five hundred sixty-three".