663462885 has 16 divisors (see below), whose sum is σ = 1061928000. Its totient is φ = 353717760.

The previous prime is 663462829. The next prime is 663462887. The reversal of 663462885 is 588264366.

It is not a de Polignac number, because 663462885 - 2¹⁷ = 663331813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663462887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46165 + ... + 58805.

It is an arithmetic number, because the mean of its divisors is an integer number (66370500).

Almost surely, 2^663462885 is an apocalyptic number.

It is an amenable number.

663462885 is a deficient number, since it is larger than the sum of its proper divisors (398465115).

663462885 is a wasteful number, since it uses less digits than its factorization.

663462885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16148.

The product of its digits is 1658880, while the sum is 48.

The square root of 663462885 is about 25757.7732927363. The cubic root of 663462885 is about 872.1788365387.

The spelling of 663462885 in words is "six hundred sixty-three million, four hundred sixty-two thousand, eight hundred eighty-five".