199316455 has 16 divisors (see below), whose sum is σ = 261948960. Its totient is φ = 144690048.

The previous prime is 199316431. The next prime is 199316461. The reversal of 199316455 is 554613991.

It is a cyclic number.

It is not a de Polignac number, because 199316455 - 2⁹ = 199315943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22152 + ... + 29821.

It is an arithmetic number, because the mean of its divisors is an integer number (16371810).

Almost surely, 2^199316455 is an apocalyptic number.

199316455 is a deficient number, since it is larger than the sum of its proper divisors (62632505).

199316455 is a wasteful number, since it uses less digits than its factorization.

199316455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52050.

The product of its digits is 145800, while the sum is 43.

The square root of 199316455 is about 14117.9479741215. The cubic root of 199316455 is about 584.1365546300.

The spelling of 199316455 in words is "one hundred ninety-nine million, three hundred sixteen thousand, four hundred fifty-five".