663466041 has 24 divisors (see below), whose sum is σ = 1099635264. Its totient is φ = 377604000.

The previous prime is 663466039. The next prime is 663466081. The reversal of 663466041 is 140664366.

663466041 is a `hidden beast` number, since 6 + 6 + 3 + 46 + 604 + 1 = 666.

663466041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 663466041 - 2¹ = 663466039 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 663465987 and 663466005.

It is not an unprimeable number, because it can be changed into a prime (663466081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5166 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (45818136).

Almost surely, 2^663466041 is an apocalyptic number.

It is an amenable number.

663466041 is a deficient number, since it is larger than the sum of its proper divisors (436169223).

663466041 is a wasteful number, since it uses less digits than its factorization.

663466041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42221 (or 42218 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 663466041 is about 25757.8345557230. The cubic root of 663466041 is about 872.1802194807.

The spelling of 663466041 in words is "six hundred sixty-three million, four hundred sixty-six thousand, forty-one".