198881610 has 16 divisors (see below), whose sum is σ = 477315936. Its totient is φ = 53035088.

The previous prime is 198881609. The next prime is 198881629. The reversal of 198881610 is 16188891.

198881610 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3314664 + ... + 3314723.

It is an arithmetic number, because the mean of its divisors is an integer number (29832246).

Almost surely, 2^198881610 is an apocalyptic number.

198881610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198881610 is an abundant number, since it is smaller than the sum of its proper divisors (278434326).

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

198881610 is a wasteful number, since it uses less digits than its factorization.

198881610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629397.

The product of its (nonzero) digits is 27648, while the sum is 42.

The square root of 198881610 is about 14102.5391330781. The cubic root of 198881610 is about 583.7114453794.

The spelling of 198881610 in words is "one hundred ninety-eight million, eight hundred eighty-one thousand, six hundred ten".