64635163 has 2 divisors, whose sum is σ = 64635164. Its totient is φ = 64635162.

The previous prime is 64635133. The next prime is 64635167. The reversal of 64635163 is 36153646.

64635163 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 is a cyclic number.

It is not a de Polignac number, because 64635163 - 2²¹ = 62538011 is a prime.

It is not a weakly prime, because it can be changed into another prime (64635167) 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, 32317581 + 32317582.

It is an arithmetic number, because the mean of its divisors is an integer number (32317582).

Almost surely, 2^64635163 is an apocalyptic number.

64635163 is a deficient number, since it is larger than the sum of its proper divisors (1).

64635163 is an equidigital number, since it uses as much as digits as its factorization.

64635163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 64635163 is about 8039.5996790885. The cubic root of 64635163 is about 401.3189027094.

The spelling of 64635163 in words is "sixty-four million, six hundred thirty-five thousand, one hundred sixty-three".