198956544 has 40 divisors (see below), whose sum is σ = 530036760. Its totient is φ = 66318336.

The previous prime is 198956539. The next prime is 198956573. The reversal of 198956544 is 445659891.

198956544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 63229 + ... + 66300.

It is an arithmetic number, because the mean of its divisors is an integer number (13250919).

Almost surely, 2^198956544 is an apocalyptic number.

It is an amenable number.

198956544 is an abundant number, since it is smaller than the sum of its proper divisors (331080216).

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

198956544 is an equidigital number, since it uses as much as digits as its factorization.

198956544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129550 (or 129534 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The square root of 198956544 is about 14105.1956384873. The cubic root of 198956544 is about 583.7847458406.

The spelling of 198956544 in words is "one hundred ninety-eight million, nine hundred fifty-six thousand, five hundred forty-four".