166660624335041 has 2 divisors, whose sum is σ = 166660624335042. Its totient is φ = 166660624335040.

The previous prime is 166660624335031. The next prime is 166660624335047. The reversal of 166660624335041 is 140533426066661.

166660624335041 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 can be written as a sum of positive squares in only one way, i.e., 154480140432016 + 12180483903025 = 12429004^2 + 3490055^2 .

It is a cyclic number.

It is not a de Polignac number, because 166660624335041 - 2¹⁸ = 166660624072897 is a prime.

It is not a weakly prime, because it can be changed into another prime (166660624335047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83330312167520 + 83330312167521.

It is an arithmetic number, because the mean of its divisors is an integer number (83330312167521).

Almost surely, 2^{166660624335041} is an apocalyptic number.

It is an amenable number.

166660624335041 is a deficient number, since it is larger than the sum of its proper divisors (1).

166660624335041 is an equidigital number, since it uses as much as digits as its factorization.

166660624335041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 166660624335041 in words is "one hundred sixty-six trillion, six hundred sixty billion, six hundred twenty-four million, three hundred thirty-five thousand, forty-one".