16607543 has 2 divisors, whose sum is σ = 16607544. Its totient is φ = 16607542.

The previous prime is 16607527. The next prime is 16607557. The reversal of 16607543 is 34570661.

It is a strong prime.

It is an emirp because it is prime and its reverse (34570661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16607543 - 2⁴ = 16607527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16607593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8303771 + 8303772.

It is an arithmetic number, because the mean of its divisors is an integer number (8303772).

Almost surely, 2^16607543 is an apocalyptic number.

16607543 is a deficient number, since it is larger than the sum of its proper divisors (1).

16607543 is an equidigital number, since it uses as much as digits as its factorization.

16607543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 16607543 is about 4075.2353306282. The cubic root of 16607543 is about 255.1340727737.

The spelling of 16607543 in words is "sixteen million, six hundred seven thousand, five hundred forty-three".