198486315882 has 24 divisors (see below), whose sum is σ = 431033322720. Its totient is φ = 66011391720.

The previous prime is 198486315871. The next prime is 198486315941. The reversal of 198486315882 is 288513684891.

198486315882 is a `hidden beast` number, since 1 + 9 + 8 + 48 + 6 + 3 + 1 + 588 + 2 = 666.

It is a super-3 number, since 3×198486315882³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12551344 + ... + 12567147.

It is an arithmetic number, because the mean of its divisors is an integer number (17959721780).

Almost surely, 2^198486315882 is an apocalyptic number.

198486315882 is an abundant number, since it is smaller than the sum of its proper divisors (232547006838).

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

198486315882 is a wasteful number, since it uses less digits than its factorization.

198486315882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25118938 (or 25118935 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 63.

The spelling of 198486315882 in words is "one hundred ninety-eight billion, four hundred eighty-six million, three hundred fifteen thousand, eight hundred eighty-two".