16530343 has 2 divisors, whose sum is σ = 16530344. Its totient is φ = 16530342.

The previous prime is 16530337. The next prime is 16530359. The reversal of 16530343 is 34303561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16530343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16530383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265171 + 8265172.

It is an arithmetic number, because the mean of its divisors is an integer number (8265172).

Almost surely, 2^16530343 is an apocalyptic number.

16530343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530343 is an equidigital number, since it uses as much as digits as its factorization.

16530343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 16530343 is about 4065.7524518839. The cubic root of 16530343 is about 254.7381292174.

The spelling of 16530343 in words is "sixteen million, five hundred thirty thousand, three hundred forty-three".