6606055501 has 2 divisors, whose sum is σ = 6606055502. Its totient is φ = 6606055500.

The previous prime is 6606055499. The next prime is 6606055529. The reversal of 6606055501 is 1055506066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3947106276 + 2658949225 = 62826^2 + 51565^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606055501 - 2¹ = 6606055499 is a prime.

It is a super-2 number, since 2×6606055501² = 87279938564584722002, which contains 22 as substring.

Together with 6606055499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6606025501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303027750 + 3303027751.

It is an arithmetic number, because the mean of its divisors is an integer number (3303027751).

Almost surely, 2^6606055501 is an apocalyptic number.

It is an amenable number.

6606055501 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606055501 is an equidigital number, since it uses as much as digits as its factorization.

6606055501 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 6606055501 is about 81277.6445340292. The cubic root of 6606055501 is about 1876.3509553737.

The spelling of 6606055501 in words is "six billion, six hundred six million, fifty-five thousand, five hundred one".