198007512 has 64 divisors (see below), whose sum is σ = 528931200. Its totient is φ = 61585920.

The previous prime is 198007507. The next prime is 198007541. The reversal of 198007512 is 215700891.

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, 27312 + ... + 33792.

It is an arithmetic number, because the mean of its divisors is an integer number (8264550).

Almost surely, 2^198007512 is an apocalyptic number.

198007512 is a gapful number since it is divisible by the number (12) 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 198007512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264465600).

198007512 is an abundant number, since it is smaller than the sum of its proper divisors (330923688).

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

198007512 is a wasteful number, since it uses less digits than its factorization.

198007512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 198007512 is about 14071.5142042354. The cubic root of 198007512 is about 582.8550391944.

The spelling of 198007512 in words is "one hundred ninety-eight million, seven thousand, five hundred twelve".