4240166543 has 2 divisors, whose sum is σ = 4240166544. Its totient is φ = 4240166542.

The previous prime is 4240166533. The next prime is 4240166603. The reversal of 4240166543 is 3456610424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4240166543 - 2⁶ = 4240166479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240166533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120083271 + 2120083272.

It is an arithmetic number, because the mean of its divisors is an integer number (2120083272).

Almost surely, 2^4240166543 is an apocalyptic number.

4240166543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240166543 is an equidigital number, since it uses as much as digits as its factorization.

4240166543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 4240166543 is about 65116.5612037368. The cubic root of 4240166543 is about 1618.5556581127. Note that the first 3 decimals are identical.

Adding to 4240166543 its reverse (3456610424), we get a palindrome (7696776967).

The spelling of 4240166543 in words is "four billion, two hundred forty million, one hundred sixty-six thousand, five hundred forty-three".