166250041 has 2 divisors, whose sum is σ = 166250042. Its totient is φ = 166250040.

The previous prime is 166250027. The next prime is 166250053. The reversal of 166250041 is 140052661.

166250041 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., 165765625 + 484416 = 12875^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 166250041 - 2⁹ = 166249529 is a prime.

It is a super-2 number, since 2×166250041² = 55278152265003362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166249988 and 166250015.

It is not a weakly prime, because it can be changed into another prime (166253041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83125020 + 83125021.

It is an arithmetic number, because the mean of its divisors is an integer number (83125021).

Almost surely, 2^166250041 is an apocalyptic number.

It is an amenable number.

166250041 is a deficient number, since it is larger than the sum of its proper divisors (1).

166250041 is an equidigital number, since it uses as much as digits as its factorization.

166250041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 166250041 is about 12893.7985481393. The cubic root of 166250041 is about 549.8622696448.

The spelling of 166250041 in words is "one hundred sixty-six million, two hundred fifty thousand, forty-one".