6663953044 has 48 divisors (see below), whose sum is σ = 13681830400. Its totient is φ = 2781133056.

The previous prime is 6663952979. The next prime is 6663953057. The reversal of 6663953044 is 4403593666.

It is a junction number, because it is equal to n+sod(n) for n = 6663952985 and 6663953003.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 140842 + ... + 182110.

Almost surely, 2^6663953044 is an apocalyptic number.

It is an amenable number.

6663953044 is an abundant number, since it is smaller than the sum of its proper divisors (7017877356).

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

6663953044 is a wasteful number, since it uses less digits than its factorization.

6663953044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41432 (or 41430 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 46.

The square root of 6663953044 is about 81633.0389242003. The cubic root of 6663953044 is about 1881.8166614366.

The spelling of 6663953044 in words is "six billion, six hundred sixty-three million, nine hundred fifty-three thousand, forty-four".