166448059 has 2 divisors, whose sum is σ = 166448060. Its totient is φ = 166448058.

The previous prime is 166448057. The next prime is 166448111. The reversal of 166448059 is 950844661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166448059 - 2¹ = 166448057 is a prime.

Together with 166448057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (166448053) 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, 83224029 + 83224030.

It is an arithmetic number, because the mean of its divisors is an integer number (83224030).

Almost surely, 2^166448059 is an apocalyptic number.

166448059 is a deficient number, since it is larger than the sum of its proper divisors (1).

166448059 is an equidigital number, since it uses as much as digits as its factorization.

166448059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 166448059 is about 12901.4750707041. The cubic root of 166448059 is about 550.0804940040.

The spelling of 166448059 in words is "one hundred sixty-six million, four hundred forty-eight thousand, fifty-nine".