166016041 has 2 divisors, whose sum is σ = 166016042. Its totient is φ = 166016040.

The previous prime is 166016027. The next prime is 166016057. The reversal of 166016041 is 140610661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153660816 + 12355225 = 12396^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 166016041 - 2⁵ = 166016009 is a prime.

It is a super-2 number, since 2×166016041² = 55122651738627362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166015997 and 166016015.

It is not a weakly prime, because it can be changed into another prime (166016021) 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, 83008020 + 83008021.

It is an arithmetic number, because the mean of its divisors is an integer number (83008021).

Almost surely, 2^166016041 is an apocalyptic number.

It is an amenable number.

166016041 is a deficient number, since it is larger than the sum of its proper divisors (1).

166016041 is an equidigital number, since it uses as much as digits as its factorization.

166016041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 166016041 is about 12884.7212232163. The cubic root of 166016041 is about 549.6041680829.

The spelling of 166016041 in words is "one hundred sixty-six million, sixteen thousand, forty-one".