63166489 has 2 divisors, whose sum is σ = 63166490. Its totient is φ = 63166488.

The previous prime is 63166459. The next prime is 63166517. The reversal of 63166489 is 98466136.

63166489 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., 41822089 + 21344400 = 6467^2 + 4620^2 .

It is a cyclic number.

It is not a de Polignac number, because 63166489 - 2⁵ = 63166457 is a prime.

It is not a weakly prime, because it can be changed into another prime (63166459) 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, 31583244 + 31583245.

It is an arithmetic number, because the mean of its divisors is an integer number (31583245).

Almost surely, 2^63166489 is an apocalyptic number.

It is an amenable number.

63166489 is a deficient number, since it is larger than the sum of its proper divisors (1).

63166489 is an equidigital number, since it uses as much as digits as its factorization.

63166489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 63166489 is about 7947.7348345299. The cubic root of 63166489 is about 398.2559253110.

The spelling of 63166489 in words is "sixty-three million, one hundred sixty-six thousand, four hundred eighty-nine".