198548864 has 16 divisors (see below), whose sum is σ = 395546820. Its totient is φ = 99274368.

The previous prime is 198548849. The next prime is 198548881. The reversal of 198548864 is 468845891.

It is a happy number.

198548864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775454 + ... + 775709.

Almost surely, 2^198548864 is an apocalyptic number.

It is an amenable number.

198548864 is a deficient number, since it is larger than the sum of its proper divisors (196997956).

198548864 is an equidigital number, since it uses as much as digits as its factorization.

198548864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551177 (or 1551165 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 198548864 is about 14090.7368153692. The cubic root of 198548864 is about 583.3857305496.

The spelling of 198548864 in words is "one hundred ninety-eight million, five hundred forty-eight thousand, eight hundred sixty-four".