663633248 has 12 divisors (see below), whose sum is σ = 1306528020. Its totient is φ = 331816608.

The previous prime is 663633247. The next prime is 663633253. The reversal of 663633248 is 842336366.

It is a happy number.

663633248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663633241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10369238 + ... + 10369301.

It is an arithmetic number, because the mean of its divisors is an integer number (108877335).

Almost surely, 2^663633248 is an apocalyptic number.

It is an amenable number.

663633248 is a deficient number, since it is larger than the sum of its proper divisors (642894772).

663633248 is a wasteful number, since it uses less digits than its factorization.

663633248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738549 (or 20738541 counting only the distinct ones).

The product of its digits is 373248, while the sum is 41.

The square root of 663633248 is about 25761.0801015796. The cubic root of 663633248 is about 872.2534824058.

The spelling of 663633248 in words is "six hundred sixty-three million, six hundred thirty-three thousand, two hundred forty-eight".