199819882 has 16 divisors (see below), whose sum is σ = 307121760. Its totient is φ = 97452432.

The previous prime is 199819861. The next prime is 199819891. The reversal of 199819882 is 288918991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95544 + ... + 97612.

It is an arithmetic number, because the mean of its divisors is an integer number (19195110).

Almost surely, 2^199819882 is an apocalyptic number.

199819882 is a deficient number, since it is larger than the sum of its proper divisors (107301878).

199819882 is a wasteful number, since it uses less digits than its factorization.

199819882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237.

The product of its digits is 746496, while the sum is 55.

The square root of 199819882 is about 14135.7660563551. The cubic root of 199819882 is about 584.6279388392.

The spelling of 199819882 in words is "one hundred ninety-nine million, eight hundred nineteen thousand, eight hundred eighty-two".