198608197647232 has 64 divisors (see below), whose sum is σ = 396618351758640. Its totient is φ = 99064784609280.

The previous prime is 198608197647179. The next prime is 198608197647259. The reversal of 198608197647232 is 232746791806891.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 2363862888 + ... + 2363946904.

Almost surely, 2^{198608197647232} is an apocalyptic number.

It is an amenable number.

198608197647232 is a deficient number, since it is larger than the sum of its proper divisors (198010154111408).

198608197647232 is an equidigital number, since it uses as much as digits as its factorization.

198608197647232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128319 (or 128307 counting only the distinct ones).

The product of its (nonzero) digits is 438939648, while the sum is 73.

The spelling of 198608197647232 in words is "one hundred ninety-eight trillion, six hundred eight billion, one hundred ninety-seven million, six hundred forty-seven thousand, two hundred thirty-two".