6608226641 has 2 divisors, whose sum is σ = 6608226642. Its totient is φ = 6608226640.

The previous prime is 6608226637. The next prime is 6608226643. The reversal of 6608226641 is 1466228066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4101121600 + 2507105041 = 64040^2 + 50071^2 .

It is a cyclic number.

It is not a de Polignac number, because 6608226641 - 2² = 6608226637 is a prime.

Together with 6608226643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6608226643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3304113320 + 3304113321.

It is an arithmetic number, because the mean of its divisors is an integer number (3304113321).

Almost surely, 2^6608226641 is an apocalyptic number.

It is an amenable number.

6608226641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6608226641 is an equidigital number, since it uses as much as digits as its factorization.

6608226641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 6608226641 is about 81290.9997539703. Note that the first 3 decimals coincide. The cubic root of 6608226641 is about 1876.5564927727.

The spelling of 6608226641 in words is "six billion, six hundred eight million, two hundred twenty-six thousand, six hundred forty-one".