18996868803 has 8 divisors (see below), whose sum is σ = 27631809216. Its totient is φ = 11513253800.

The previous prime is 18996868763. The next prime is 18996868829. The reversal of 18996868803 is 30886869981.

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 18996868803 - 2¹² = 18996864707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18996868403) 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, 287831313 + ... + 287831378.

It is an arithmetic number, because the mean of its divisors is an integer number (3453976152).

Almost surely, 2^18996868803 is an apocalyptic number.

18996868803 is a deficient number, since it is larger than the sum of its proper divisors (8634940413).

18996868803 is a wasteful number, since it uses less digits than its factorization.

18996868803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575662705.

The product of its (nonzero) digits is 35831808, while the sum is 66.

The spelling of 18996868803 in words is "eighteen billion, nine hundred ninety-six million, eight hundred sixty-eight thousand, eight hundred three".