198667488200 has 24 divisors (see below), whose sum is σ = 461901910530. Its totient is φ = 79466995200.

The previous prime is 198667488157. The next prime is 198667488211. The reversal of 198667488200 is 2884766891.

It can be written as a sum of positive squares in 3 ways, for example, as 115563282916 + 83104205284 = 339946^2 + 288278^2 .

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 198667488200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 496668521 + ... + 496668920.

Almost surely, 2^198667488200 is an apocalyptic number.

198667488200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198667488200 is an abundant number, since it is smaller than the sum of its proper divisors (263234422330).

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

198667488200 is a wasteful number, since it uses less digits than its factorization.

198667488200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993337457 (or 993337448 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 198667488200 in words is "one hundred ninety-eight billion, six hundred sixty-seven million, four hundred eighty-eight thousand, two hundred".