198441616 has 10 divisors (see below), whose sum is σ = 384480662. Its totient is φ = 99220800.

The previous prime is 198441613. The next prime is 198441701. The reversal of 198441616 is 616144891.

It can be written as a sum of positive squares in only one way, i.e., 146313216 + 52128400 = 12096^2 + 7220^2 .

It is not an unprimeable number, because it can be changed into a prime (198441611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201285 + ... + 6201316.

Almost surely, 2^198441616 is an apocalyptic number.

198441616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198441616 is a deficient number, since it is larger than the sum of its proper divisors (186039046).

198441616 is a wasteful number, since it uses less digits than its factorization.

198441616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402609 (or 12402603 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 198441616 is about 14086.9306805990. The cubic root of 198441616 is about 583.2806712369.

The spelling of 198441616 in words is "one hundred ninety-eight million, four hundred forty-one thousand, six hundred sixteen".