41664143 has 2 divisors, whose sum is σ = 41664144. Its totient is φ = 41664142.

The previous prime is 41664113. The next prime is 41664163. The reversal of 41664143 is 34146614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41664143 - 2⁶ = 41664079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41664113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20832071 + 20832072.

It is an arithmetic number, because the mean of its divisors is an integer number (20832072).

Almost surely, 2^41664143 is an apocalyptic number.

41664143 is a deficient number, since it is larger than the sum of its proper divisors (1).

41664143 is an equidigital number, since it uses as much as digits as its factorization.

41664143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 41664143 is about 6454.7767583395. The cubic root of 41664143 is about 346.6736377831.

The spelling of 41664143 in words is "forty-one million, six hundred sixty-four thousand, one hundred forty-three".