166724710039 has 2 divisors, whose sum is σ = 166724710040. Its totient is φ = 166724710038.

The previous prime is 166724709989. The next prime is 166724710049. The reversal of 166724710039 is 930017427661.

166724710039 is digitally balanced in base 2, 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 166724710039 - 2⁷ = 166724709911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166724710049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83362355019 + 83362355020.

It is an arithmetic number, because the mean of its divisors is an integer number (83362355020).

Almost surely, 2^166724710039 is an apocalyptic number.

166724710039 is a deficient number, since it is larger than the sum of its proper divisors (1).

166724710039 is an equidigital number, since it uses as much as digits as its factorization.

166724710039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 166724710039 in words is "one hundred sixty-six billion, seven hundred twenty-four million, seven hundred ten thousand, thirty-nine".