6663140633 has 8 divisors (see below), whose sum is σ = 7174668960. Its totient is φ = 6164898880.

The previous prime is 6663140629. The next prime is 6663140677. The reversal of 6663140633 is 3360413666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6663140633 - 2² = 6663140629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6663140333) 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 7 ways as a sum of consecutive naturals, for example, 3320603 + ... + 3322608.

It is an arithmetic number, because the mean of its divisors is an integer number (896833620).

Almost surely, 2^6663140633 is an apocalyptic number.

It is an amenable number.

6663140633 is a deficient number, since it is larger than the sum of its proper divisors (511528327).

6663140633 is a wasteful number, since it uses less digits than its factorization.

6663140633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643287.

The product of its (nonzero) digits is 139968, while the sum is 38.

The square root of 6663140633 is about 81628.0627786792. The cubic root of 6663140633 is about 1881.7401867738.

The spelling of 6663140633 in words is "six billion, six hundred sixty-three million, one hundred forty thousand, six hundred thirty-three".