663242412 has 48 divisors (see below), whose sum is σ = 1829640960. Its totient is φ = 182962752.

The previous prime is 663242399. The next prime is 663242483. The reversal of 663242412 is 214242366.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 663242412.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 133698 + ... + 138569.

It is an arithmetic number, because the mean of its divisors is an integer number (38117520).

Almost surely, 2^663242412 is an apocalyptic number.

It is an amenable number.

663242412 is an abundant number, since it is smaller than the sum of its proper divisors (1166398548).

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

663242412 is a wasteful number, since it uses less digits than its factorization.

663242412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272310 (or 272308 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 663242412 is about 25753.4931999525. The cubic root of 663242412 is about 872.0822156160.

Adding to 663242412 its reverse (214242366), we get a palindrome (877484778).

The spelling of 663242412 in words is "six hundred sixty-three million, two hundred forty-two thousand, four hundred twelve".