199882128 has 40 divisors (see below), whose sum is σ = 543541600. Its totient is φ = 63120384.

The previous prime is 199882127. The next prime is 199882217. The reversal of 199882128 is 821288991.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (199882127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108673 + ... + 110496.

It is an arithmetic number, because the mean of its divisors is an integer number (13588540).

Almost surely, 2^199882128 is an apocalyptic number.

It is an amenable number.

199882128 is an abundant number, since it is smaller than the sum of its proper divisors (343659472).

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

199882128 is a wasteful number, since it uses less digits than its factorization.

199882128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219199 (or 219193 counting only the distinct ones).

The product of its digits is 165888, while the sum is 48.

The square root of 199882128 is about 14137.9676049990. The cubic root of 199882128 is about 584.6886384590.

The spelling of 199882128 in words is "one hundred ninety-nine million, eight hundred eighty-two thousand, one hundred twenty-eight".