63166009 has 2 divisors, whose sum is σ = 63166010. Its totient is φ = 63166008.

The previous prime is 63166001. The next prime is 63166039. The reversal of 63166009 is 90066136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 17197609 = 6780^2 + 4147^2 .

It is a cyclic number.

It is not a de Polignac number, because 63166009 - 2³ = 63166001 is a prime.

It is not a weakly prime, because it can be changed into another prime (63166001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31583004 + 31583005.

It is an arithmetic number, because the mean of its divisors is an integer number (31583005).

Almost surely, 2^63166009 is an apocalyptic number.

It is an amenable number.

63166009 is a deficient number, since it is larger than the sum of its proper divisors (1).

63166009 is an equidigital number, since it uses as much as digits as its factorization.

63166009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 63166009 is about 7947.7046371893. The cubic root of 63166009 is about 398.2549165307.

The spelling of 63166009 in words is "sixty-three million, one hundred sixty-six thousand, nine".