6132207661 has 2 divisors, whose sum is σ = 6132207662. Its totient is φ = 6132207660.

The previous prime is 6132207623. The next prime is 6132207671. The reversal of 6132207661 is 1667022316.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3761491561 + 2370716100 = 61331^2 + 48690^2 .

It is a cyclic number.

It is not a de Polignac number, because 6132207661 - 2⁹ = 6132207149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6132207671) 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, 3066103830 + 3066103831.

It is an arithmetic number, because the mean of its divisors is an integer number (3066103831).

Almost surely, 2^6132207661 is an apocalyptic number.

It is an amenable number.

6132207661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6132207661 is an equidigital number, since it uses as much as digits as its factorization.

6132207661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 6132207661 is about 78308.4137305820. The cubic root of 6132207661 is about 1830.3702617083.

Adding to 6132207661 its reverse (1667022316), we get a palindrome (7799229977).

The spelling of 6132207661 in words is "six billion, one hundred thirty-two million, two hundred seven thousand, six hundred sixty-one".