198491950200 has 48 divisors (see below), whose sum is σ = 615325047480. Its totient is φ = 52931186560.

The previous prime is 198491950177. The next prime is 198491950219. The reversal of 198491950200 is 2059194891.

198491950200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198491950200.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 165409359 + ... + 165410558.

Almost surely, 2^198491950200 is an apocalyptic number.

198491950200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198491950200 is an abundant number, since it is smaller than the sum of its proper divisors (416833097280).

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

198491950200 is a wasteful number, since it uses less digits than its factorization.

198491950200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330819936 (or 330819927 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 198491950200 in words is "one hundred ninety-eight billion, four hundred ninety-one million, nine hundred fifty thousand, two hundred".