199310768 has 20 divisors (see below), whose sum is σ = 389917008. Its totient is φ = 98687040.

The previous prime is 199310743. The next prime is 199310773. The reversal of 199310768 is 867013991.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58823 + ... + 62118.

Almost surely, 2^199310768 is an apocalyptic number.

It is an amenable number.

199310768 is a deficient number, since it is larger than the sum of its proper divisors (190606240).

199310768 is a wasteful number, since it uses less digits than its factorization.

199310768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121052 (or 121046 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 199310768 is about 14117.7465623944. The cubic root of 199310768 is about 584.1309989485.

The spelling of 199310768 in words is "one hundred ninety-nine million, three hundred ten thousand, seven hundred sixty-eight".