18563000196 has 192 divisors, whose sum is σ = 51126647040. Its totient is φ = 5188976640.

The previous prime is 18563000161. The next prime is 18563000207. The reversal of 18563000196 is 69100036581.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13638556 + ... + 13639916.

It is an arithmetic number, because the mean of its divisors is an integer number (266284620).

It is the magic constant of a 3336 × 3336 magic square.

Almost surely, 2^18563000196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18563000196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25563323520).

18563000196 is an abundant number, since it is smaller than the sum of its proper divisors (32563646844).

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

18563000196 is a wasteful number, since it uses less digits than its factorization.

18563000196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 18563000196 in words is "eighteen billion, five hundred sixty-three million, one hundred ninety-six", and thus it is an aban number.