16730143 has 2 divisors, whose sum is σ = 16730144. Its totient is φ = 16730142.

The previous prime is 16730137. The next prime is 16730171. The reversal of 16730143 is 34103761.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16730143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16730123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8365071 + 8365072.

It is an arithmetic number, because the mean of its divisors is an integer number (8365072).

Almost surely, 2^16730143 is an apocalyptic number.

16730143 is a deficient number, since it is larger than the sum of its proper divisors (1).

16730143 is an equidigital number, since it uses as much as digits as its factorization.

16730143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 16730143 is about 4090.2497478760. The cubic root of 16730143 is about 255.7603500667.

The spelling of 16730143 in words is "sixteen million, seven hundred thirty thousand, one hundred forty-three".