198016955 has 8 divisors (see below), whose sum is σ = 250126800. Its totient is φ = 150075936.

The previous prime is 198016943. The next prime is 198016961. The reversal of 198016955 is 559610891.

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 198016955 - 2⁶ = 198016891 is a prime.

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, 1042100 + ... + 1042289.

It is an arithmetic number, because the mean of its divisors is an integer number (31265850).

Almost surely, 2^198016955 is an apocalyptic number.

198016955 is a deficient number, since it is larger than the sum of its proper divisors (52109845).

198016955 is a wasteful number, since it uses less digits than its factorization.

198016955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084413.

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 198016955 is about 14071.8497362642. The cubic root of 198016955 is about 582.8643045207.

The spelling of 198016955 in words is "one hundred ninety-eight million, sixteen thousand, nine hundred fifty-five".