6611505164149 has 2 divisors, whose sum is σ = 6611505164150. Its totient is φ = 6611505164148.

The previous prime is 6611505164129. The next prime is 6611505164161. The reversal of 6611505164149 is 9414615051166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5112550599025 + 1498954565124 = 2261095^2 + 1224318^2 .

It is a cyclic number.

It is not a de Polignac number, because 6611505164149 - 2²⁷ = 6611370946421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6611505164129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305752582074 + 3305752582075.

It is an arithmetic number, because the mean of its divisors is an integer number (3305752582075).

Almost surely, 2^{6611505164149} is an apocalyptic number.

It is an amenable number.

6611505164149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6611505164149 is an equidigital number, since it uses as much as digits as its factorization.

6611505164149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 6611505164149 in words is "six trillion, six hundred eleven billion, five hundred five million, one hundred sixty-four thousand, one hundred forty-nine".