6616343 has 2 divisors, whose sum is σ = 6616344. Its totient is φ = 6616342.

The previous prime is 6616339. The next prime is 6616381. The reversal of 6616343 is 3436166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6616343 - 2² = 6616339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6616543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308171 + 3308172.

It is an arithmetic number, because the mean of its divisors is an integer number (3308172).

Almost surely, 2^6616343 is an apocalyptic number.

6616343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6616343 is an equidigital number, since it uses as much as digits as its factorization.

6616343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 29.

The square root of 6616343 is about 2572.2253011741. The cubic root of 6616343 is about 187.7324453461.

The spelling of 6616343 in words is "six million, six hundred sixteen thousand, three hundred forty-three".