198603464648 has 16 divisors (see below), whose sum is σ = 394286290380. Its totient is φ = 93460453888.

The previous prime is 198603464627. The next prime is 198603464669. The reversal of 198603464648 is 846464306891.

It is an interprime number because it is at equal distance from previous prime (198603464627) and next prime (198603464669).

It can be written as a sum of positive squares in 2 ways, for example, as 173607222244 + 24996242404 = 416662^2 + 158102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730159661 + ... + 730159932.

Almost surely, 2^198603464648 is an apocalyptic number.

It is an amenable number.

198603464648 is a deficient number, since it is larger than the sum of its proper divisors (195682825732).

198603464648 is a wasteful number, since it uses less digits than its factorization.

198603464648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460319616 (or 1460319612 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 59.

The spelling of 198603464648 in words is "one hundred ninety-eight billion, six hundred three million, four hundred sixty-four thousand, six hundred forty-eight".