198063217 has 8 divisors (see below), whose sum is σ = 220666752. Its totient is φ = 176226000.

The previous prime is 198063179. The next prime is 198063221. The reversal of 198063217 is 712360891.

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 198063217 - 2²³ = 189674609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198063317) 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, 191034 + ... + 192067.

It is an arithmetic number, because the mean of its divisors is an integer number (27583344).

Almost surely, 2^198063217 is an apocalyptic number.

It is an amenable number.

198063217 is a deficient number, since it is larger than the sum of its proper divisors (22603535).

198063217 is a wasteful number, since it uses less digits than its factorization.

198063217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383159.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 198063217 is about 14073.4934184800. The cubic root of 198063217 is about 582.9096918275.

The spelling of 198063217 in words is "one hundred ninety-eight million, sixty-three thousand, two hundred seventeen".