199016 has 8 divisors (see below), whose sum is σ = 373170. Its totient is φ = 99504.
The previous prime is 198997. The next prime is 199021. The reversal of 199016 is 610991.
It can be written as a sum of positive squares in only one way, i.e., 198916 + 100 = 446^2 + 10^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12431 + ... + 12446.
2199016 is an apocalyptic number.
It is an amenable number.
199016 is a deficient number, since it is larger than the sum of its proper divisors (174154).
199016 is a wasteful number, since it uses less digits than its factorization.
199016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24883 (or 24879 counting only the distinct ones).
The product of its (nonzero) digits is 486, while the sum is 26.
The square root of 199016 is about 446.1120935370. The cubic root of 199016 is about 58.3842892623.
The spelling of 199016 in words is "one hundred ninety-nine thousand, sixteen".
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