198448151 has 8 divisors (see below), whose sum is σ = 217291008. Its totient is φ = 179739000.

The previous prime is 198448121. The next prime is 198448169. The reversal of 198448151 is 151844891.

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 198448151 - 2²⁶ = 131339287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198448099 and 198448108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198448111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30305 + ... + 36266.

It is an arithmetic number, because the mean of its divisors is an integer number (27161376).

Almost surely, 2^198448151 is an apocalyptic number.

198448151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

198448151 is a deficient number, since it is larger than the sum of its proper divisors (18842857).

198448151 is a wasteful number, since it uses less digits than its factorization.

198448151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66853.

The product of its digits is 46080, while the sum is 41.

The square root of 198448151 is about 14087.1626312753. The cubic root of 198448151 is about 583.2870739552.

The spelling of 198448151 in words is "one hundred ninety-eight million, four hundred forty-eight thousand, one hundred fifty-one".