6616339 has 2 divisors, whose sum is σ = 6616340. Its totient is φ = 6616338.

The previous prime is 6616301. The next prime is 6616343. The reversal of 6616339 is 9336166.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6616339 - 2¹⁵ = 6583571 is a prime.

It is not a weakly prime, because it can be changed into another prime (6616399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308169 + 3308170.

It is an arithmetic number, because the mean of its divisors is an integer number (3308170).

Almost surely, 2^6616339 is an apocalyptic number.

6616339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6616339 is an equidigital number, since it uses as much as digits as its factorization.

6616339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The square root of 6616339 is about 2572.2245236371. The cubic root of 6616339 is about 187.7324075140.

The spelling of 6616339 in words is "six million, six hundred sixteen thousand, three hundred thirty-nine".