199316456 has 8 divisors (see below), whose sum is σ = 373718370. Its totient is φ = 99658224.

The previous prime is 199316431. The next prime is 199316461. The reversal of 199316456 is 654613991.

It can be written as a sum of positive squares in only one way, i.e., 197852356 + 1464100 = 14066^2 + 1210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12457271 + ... + 12457286.

Almost surely, 2^199316456 is an apocalyptic number.

It is an amenable number.

199316456 is a deficient number, since it is larger than the sum of its proper divisors (174401914).

199316456 is a wasteful number, since it uses less digits than its factorization.

199316456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24914563 (or 24914559 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 199316456 is about 14117.9480095374. The cubic root of 199316456 is about 584.1365556069.

The spelling of 199316456 in words is "one hundred ninety-nine million, three hundred sixteen thousand, four hundred fifty-six".