6616242701 has 2 divisors, whose sum is σ = 6616242702. Its totient is φ = 6616242700.

The previous prime is 6616242623. The next prime is 6616242739. The reversal of 6616242701 is 1072426166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5684406025 + 931836676 = 75395^2 + 30526^2 .

It is a cyclic number.

It is not a de Polignac number, because 6616242701 - 2¹⁰ = 6616241677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6616242401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308121350 + 3308121351.

It is an arithmetic number, because the mean of its divisors is an integer number (3308121351).

Almost surely, 2^6616242701 is an apocalyptic number.

It is an amenable number.

6616242701 is a deficient number, since it is larger than the sum of its proper divisors (1).

6616242701 is an equidigital number, since it uses as much as digits as its factorization.

6616242701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 6616242701 is about 81340.2895310805. The cubic root of 6616242701 is about 1877.3149671168.

Adding to 6616242701 its reverse (1072426166), we get a palindrome (7688668867).

The spelling of 6616242701 in words is "six billion, six hundred sixteen million, two hundred forty-two thousand, seven hundred one".