241716661 has 2 divisors, whose sum is σ = 241716662. Its totient is φ = 241716660.

The previous prime is 241716619. The next prime is 241716677. The reversal of 241716661 is 166617142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210076036 + 31640625 = 14494^2 + 5625^2 .

It is a cyclic number.

It is not a de Polignac number, because 241716661 - 2¹⁹ = 241192373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241716611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120858330 + 120858331.

It is an arithmetic number, because the mean of its divisors is an integer number (120858331).

Almost surely, 2^241716661 is an apocalyptic number.

It is an amenable number.

241716661 is a deficient number, since it is larger than the sum of its proper divisors (1).

241716661 is an equidigital number, since it uses as much as digits as its factorization.

241716661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 241716661 is about 15547.2396585375. The cubic root of 241716661 is about 622.9246671371.

The spelling of 241716661 in words is "two hundred forty-one million, seven hundred sixteen thousand, six hundred sixty-one".