198103565 has 8 divisors (see below), whose sum is σ = 259335648. Its totient is φ = 144075280.

The previous prime is 198103541. The next prime is 198103573. The reversal of 198103565 is 565301891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198103565 - 2⁶ = 198103501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1800887 + ... + 1800996.

It is an arithmetic number, because the mean of its divisors is an integer number (32416956).

Almost surely, 2^198103565 is an apocalyptic number.

It is an amenable number.

198103565 is a deficient number, since it is larger than the sum of its proper divisors (61232083).

198103565 is a wasteful number, since it uses less digits than its factorization.

198103565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601899.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 198103565 is about 14074.9268204137. The cubic root of 198103565 is about 582.9492711829.

The spelling of 198103565 in words is "one hundred ninety-eight million, one hundred three thousand, five hundred sixty-five".