198047616 has 128 divisors (see below), whose sum is σ = 573770400. Its totient is φ = 60162048.

The previous prime is 198047609. The next prime is 198047627. The reversal of 198047616 is 616740891.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484020 + ... + 484428.

Almost surely, 2^198047616 is an apocalyptic number.

198047616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198047616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286885200).

198047616 is an abundant number, since it is smaller than the sum of its proper divisors (375722784).

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

198047616 is a wasteful number, since it uses less digits than its factorization.

198047616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 198047616 is about 14072.9391386448. The cubic root of 198047616 is about 582.8943865914.

The spelling of 198047616 in words is "one hundred ninety-eight million, forty-seven thousand, six hundred sixteen".