6606555001 has 2 divisors, whose sum is σ = 6606555002. Its totient is φ = 6606555000.

The previous prime is 6606554971. The next prime is 6606555013. The reversal of 6606555001 is 1005556066.

6606555001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6425625600 + 180929401 = 80160^2 + 13451^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606555001 - 2²⁵ = 6573000569 is a prime.

It is a super-2 number, since 2×6606555001² = 87293137962476220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6606555061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303277500 + 3303277501.

It is an arithmetic number, because the mean of its divisors is an integer number (3303277501).

Almost surely, 2^6606555001 is an apocalyptic number.

It is an amenable number.

6606555001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606555001 is an equidigital number, since it uses as much as digits as its factorization.

6606555001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 6606555001 is about 81280.7172766087. The cubic root of 6606555001 is about 1876.3982460088.

The spelling of 6606555001 in words is "six billion, six hundred six million, five hundred fifty-five thousand, one".