199665034 has 16 divisors (see below), whose sum is σ = 333806400. Its totient is φ = 89014464.

The previous prime is 199665031. The next prime is 199665041. The reversal of 199665034 is 430566991.

199665034 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×199665034² = 79732251604442312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199665031) 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, 153894 + ... + 155185.

It is an arithmetic number, because the mean of its divisors is an integer number (20862900).

Almost surely, 2^199665034 is an apocalyptic number.

199665034 is a deficient number, since it is larger than the sum of its proper divisors (134141366).

199665034 is a wasteful number, since it uses less digits than its factorization.

199665034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309117.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 199665034 is about 14130.2878243863. The cubic root of 199665034 is about 584.4768830302.

The spelling of 199665034 in words is "one hundred ninety-nine million, six hundred sixty-five thousand, thirty-four".