6104391661 has 2 divisors, whose sum is σ = 6104391662. Its totient is φ = 6104391660.

The previous prime is 6104391617. The next prime is 6104391679. The reversal of 6104391661 is 1661934016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5614654761 + 489736900 = 74931^2 + 22130^2 .

It is a cyclic number.

It is not a de Polignac number, because 6104391661 - 2⁷ = 6104391533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6104391661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6104391361) 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, 3052195830 + 3052195831.

It is an arithmetic number, because the mean of its divisors is an integer number (3052195831).

Almost surely, 2^6104391661 is an apocalyptic number.

It is an amenable number.

6104391661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6104391661 is an equidigital number, since it uses as much as digits as its factorization.

6104391661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 6104391661 is about 78130.6064292349. The cubic root of 6104391661 is about 1827.5985162629.

The spelling of 6104391661 in words is "six billion, one hundred four million, three hundred ninety-one thousand, six hundred sixty-one".