6606889099 has 2 divisors, whose sum is σ = 6606889100. Its totient is φ = 6606889098.

The previous prime is 6606889087. The next prime is 6606889103. The reversal of 6606889099 is 9909886066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6606889099 - 2¹⁵ = 6606856331 is a prime.

6606889099 is a strobogrammatic number because it is the same when read upside-down.

It is not a weakly prime, because it can be changed into another prime (6606889039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303444549 + 3303444550.

It is an arithmetic number, because the mean of its divisors is an integer number (3303444550).

Almost surely, 2^6606889099 is an apocalyptic number.

6606889099 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606889099 is an equidigital number, since it uses as much as digits as its factorization.

6606889099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The square root of 6606889099 is about 81282.7724613279. The cubic root of 6606889099 is about 1876.4298757227.

The spelling of 6606889099 in words is "six billion, six hundred six million, eight hundred eighty-nine thousand, ninety-nine".