198549113 has 8 divisors (see below), whose sum is σ = 227017728. Its totient is φ = 170106624.

The previous prime is 198549097. The next prime is 198549149. The reversal of 198549113 is 311945891.

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

It is a cyclic number.

It is not a de Polignac number, because 198549113 - 2⁴ = 198549097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198549313) 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, 14120 + ... + 24422.

It is an arithmetic number, because the mean of its divisors is an integer number (28377216).

Almost surely, 2^198549113 is an apocalyptic number.

It is an amenable number.

198549113 is a deficient number, since it is larger than the sum of its proper divisors (28468615).

198549113 is a wasteful number, since it uses less digits than its factorization.

198549113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13063.

The product of its digits is 38880, while the sum is 41.

The square root of 198549113 is about 14090.7456509583. The cubic root of 198549113 is about 583.3859744240.

The spelling of 198549113 in words is "one hundred ninety-eight million, five hundred forty-nine thousand, one hundred thirteen".