16605343 has 2 divisors, whose sum is σ = 16605344. Its totient is φ = 16605342.

The previous prime is 16605331. The next prime is 16605397. The reversal of 16605343 is 34350661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16605343 is a prime.

It is a super-2 number, since 2×16605343² = 551474832295298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16605143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8302671 + 8302672.

It is an arithmetic number, because the mean of its divisors is an integer number (8302672).

Almost surely, 2^16605343 is an apocalyptic number.

16605343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16605343 is an equidigital number, since it uses as much as digits as its factorization.

16605343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 16605343 is about 4074.9653986261. The cubic root of 16605343 is about 255.1228064122.

The spelling of 16605343 in words is "sixteen million, six hundred five thousand, three hundred forty-three".