663433610112 has 192 divisors, whose sum is σ = 2349661073760. Its totient is φ = 174971473920.

The previous prime is 663433610111. The next prime is 663433610129. The reversal of 663433610112 is 211016334366.

663433610112 is a `hidden beast` number, since 6 + 6 + 3 + 4 + 33 + 610 + 1 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663433610111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3059439 + ... + 3269102.

Almost surely, 2^663433610112 is an apocalyptic number.

It is an amenable number.

663433610112 is an abundant number, since it is smaller than the sum of its proper divisors (1686227463648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663433610112 is a wasteful number, since it uses less digits than its factorization.

663433610112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328581 (or 6328566 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 663433610112 its reverse (211016334366), we get a palindrome (874449944478).

The spelling of 663433610112 in words is "six hundred sixty-three billion, four hundred thirty-three million, six hundred ten thousand, one hundred twelve".