41950662161 has 2 divisors, whose sum is σ = 41950662162. Its totient is φ = 41950662160.

The previous prime is 41950662151. The next prime is 41950662167. The reversal of 41950662161 is 16126605914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33293476225 + 8657185936 = 182465^2 + 93044^2 .

It is a cyclic number.

It is not a de Polignac number, because 41950662161 - 2¹⁸ = 41950400017 is a prime.

It is not a weakly prime, because it can be changed into another prime (41950662167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20975331080 + 20975331081.

It is an arithmetic number, because the mean of its divisors is an integer number (20975331081).

Almost surely, 2^41950662161 is an apocalyptic number.

It is an amenable number.

41950662161 is a deficient number, since it is larger than the sum of its proper divisors (1).

41950662161 is an equidigital number, since it uses as much as digits as its factorization.

41950662161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 41950662161 in words is "forty-one billion, nine hundred fifty million, six hundred sixty-two thousand, one hundred sixty-one".