6656094481 has 2 divisors, whose sum is σ = 6656094482. Its totient is φ = 6656094480.

The previous prime is 6656094437. The next prime is 6656094491. The reversal of 6656094481 is 1844906566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5276714881 + 1379379600 = 72641^2 + 37140^2 .

It is a cyclic number.

It is not a de Polignac number, because 6656094481 - 2¹⁷ = 6655963409 is a prime.

It is a super-2 number, since 2×6656094481² = 88607187479997318722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6656094491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328047240 + 3328047241.

It is an arithmetic number, because the mean of its divisors is an integer number (3328047241).

Almost surely, 2^6656094481 is an apocalyptic number.

It is an amenable number.

6656094481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6656094481 is an equidigital number, since it uses as much as digits as its factorization.

6656094481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 6656094481 is about 81584.8912544474. The cubic root of 6656094481 is about 1881.0766506334.

The spelling of 6656094481 in words is "six billion, six hundred fifty-six million, ninety-four thousand, four hundred eighty-one".