4166041643 has 2 divisors, whose sum is σ = 4166041644. Its totient is φ = 4166041642.

The previous prime is 4166041513. The next prime is 4166041687. The reversal of 4166041643 is 3461406614.

It is a happy number.

4166041643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4166041643 - 2⁸ = 4166041387 is a prime.

It is not a weakly prime, because it can be changed into another prime (4166031643) 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, 2083020821 + 2083020822.

It is an arithmetic number, because the mean of its divisors is an integer number (2083020822).

Almost surely, 2^4166041643 is an apocalyptic number.

4166041643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166041643 is an equidigital number, since it uses as much as digits as its factorization.

4166041643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 4166041643 is about 64544.8808427128. The cubic root of 4166041643 is about 1609.0685098238.

The spelling of 4166041643 in words is "four billion, one hundred sixty-six million, forty-one thousand, six hundred forty-three".