6663593960 has 16 divisors (see below), whose sum is σ = 14993086500. Its totient is φ = 2665437568.

The previous prime is 6663593947. The next prime is 6663593999. The reversal of 6663593960 is 693953666.

It can be written as a sum of positive squares in 2 ways, for example, as 6660844996 + 2748964 = 81614^2 + 1658^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 83294885 + ... + 83294964.

Almost surely, 2^6663593960 is an apocalyptic number.

It is an amenable number.

6663593960 is an abundant number, since it is smaller than the sum of its proper divisors (8329492540).

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

6663593960 is a wasteful number, since it uses less digits than its factorization.

6663593960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166589860 (or 166589856 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 53.

The square root of 6663593960 is about 81630.8395154674. The cubic root of 6663593960 is about 1881.7828605586.

The spelling of 6663593960 in words is "six billion, six hundred sixty-three million, five hundred ninety-three thousand, nine hundred sixty".