198266544 has 90 divisors (see below), whose sum is σ = 645485100. Its totient is φ = 56645568.

The previous prime is 198266527. The next prime is 198266569. The reversal of 198266544 is 445662891.

198266544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 198266544.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6994 + ... + 21105.

Almost surely, 2^198266544 is an apocalyptic number.

198266544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

198266544 is an abundant number, since it is smaller than the sum of its proper divisors (447218556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198266544 is a wasteful number, since it uses less digits than its factorization.

198266544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28127 (or 28111 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 198266544 is about 14080.7153227384. The cubic root of 198266544 is about 583.1090906975.

The spelling of 198266544 in words is "one hundred ninety-eight million, two hundred sixty-six thousand, five hundred forty-four".