6663598801 has 8 divisors (see below), whose sum is σ = 7193090880. Its totient is φ = 6154087632.

The previous prime is 6663598793. The next prime is 6663598819. The reversal of 6663598801 is 1088953666.

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 6663598801 - 2³ = 6663598793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6663598301) 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, 4994535 + ... + 4995868.

It is an arithmetic number, because the mean of its divisors is an integer number (899136360).

Almost surely, 2^6663598801 is an apocalyptic number.

It is an amenable number.

6663598801 is a deficient number, since it is larger than the sum of its proper divisors (529492079).

6663598801 is a wasteful number, since it uses less digits than its factorization.

6663598801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990455.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 6663598801 is about 81630.8691672458. The cubic root of 6663598801 is about 1881.7833162541.

The spelling of 6663598801 in words is "six billion, six hundred sixty-three million, five hundred ninety-eight thousand, eight hundred one".