200028168 has 48 divisors (see below), whose sum is σ = 544771500. Its totient is φ = 66303360.

The previous prime is 200028139. The next prime is 200028173. The reversal of 200028168 is 861820002.

It can be written as a sum of positive squares in 2 ways, for example, as 165945924 + 34082244 = 12882^2 + 5838^2 .

It is a super-2 number, since 2×200028168² = 80022535986872448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5358 + ... + 20706.

Almost surely, 2^200028168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200028168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272385750).

200028168 is an abundant number, since it is smaller than the sum of its proper divisors (344743332).

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

200028168 is a wasteful number, since it uses less digits than its factorization.

200028168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542 (or 15535 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 200028168 is about 14143.1314778588. The cubic root of 200028168 is about 584.8310009310.

The spelling of 200028168 in words is "two hundred million, twenty-eight thousand, one hundred sixty-eight".