6616115159 has 2 divisors, whose sum is σ = 6616115160. Its totient is φ = 6616115158.

The previous prime is 6616115141. The next prime is 6616115179. The reversal of 6616115159 is 9515116166.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6616115159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6616115119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308057579 + 3308057580.

It is an arithmetic number, because the mean of its divisors is an integer number (3308057580).

Almost surely, 2^6616115159 is an apocalyptic number.

6616115159 is a deficient number, since it is larger than the sum of its proper divisors (1).

6616115159 is an equidigital number, since it uses as much as digits as its factorization.

6616115159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 41.

The square root of 6616115159 is about 81339.5055246834. The cubic root of 6616115159 is about 1877.3029039738.

The spelling of 6616115159 in words is "six billion, six hundred sixteen million, one hundred fifteen thousand, one hundred fifty-nine".