6332577661 has 2 divisors, whose sum is σ = 6332577662. Its totient is φ = 6332577660.

The previous prime is 6332577599. The next prime is 6332577703. The reversal of 6332577661 is 1667752336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5939784900 + 392792761 = 77070^2 + 19819^2 .

It is a cyclic number.

It is not a de Polignac number, because 6332577661 - 2⁹ = 6332577149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6332517661) 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, 3166288830 + 3166288831.

It is an arithmetic number, because the mean of its divisors is an integer number (3166288831).

Almost surely, 2^6332577661 is an apocalyptic number.

It is an amenable number.

6332577661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6332577661 is an equidigital number, since it uses as much as digits as its factorization.

6332577661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 46.

The square root of 6332577661 is about 79577.4946891393. The cubic root of 6332577661 is about 1850.0927794716.

The spelling of 6332577661 in words is "six billion, three hundred thirty-two million, five hundred seventy-seven thousand, six hundred sixty-one".