6606036064549 has 2 divisors, whose sum is σ = 6606036064550. Its totient is φ = 6606036064548.

The previous prime is 6606036064471. The next prime is 6606036064669. The reversal of 6606036064549 is 9454606306066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4214837742049 + 2391198322500 = 2053007^2 + 1546350^2 .

It is a cyclic number.

It is not a de Polignac number, because 6606036064549 - 2¹¹ = 6606036062501 is a prime.

It is a super-2 number, since 2×6606036064549² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6606036064549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6606096064549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303018032274 + 3303018032275.

It is an arithmetic number, because the mean of its divisors is an integer number (3303018032275).

Almost surely, 2^{6606036064549} is an apocalyptic number.

It is an amenable number.

6606036064549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6606036064549 is an equidigital number, since it uses as much as digits as its factorization.

6606036064549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 55.

The spelling of 6606036064549 in words is "six trillion, six hundred six billion, thirty-six million, sixty-four thousand, five hundred forty-nine".