198605705104 has 45 divisors (see below), whose sum is σ = 394107575259. Its totient is φ = 96956049120.

The previous prime is 198605705099. The next prime is 198605705107. The reversal of 198605705104 is 401507506891.

The square root of 198605705104 is 445652.

It is a perfect power (a square), and thus also a powerful number.

198605705104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198605705107) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76650849 + ... + 76653439.

Almost surely, 2^198605705104 is an apocalyptic number.

198605705104 is the 445652-nd square number.

It is an amenable number.

198605705104 is a deficient number, since it is larger than the sum of its proper divisors (195501870155).

198605705104 is an frugal number, since it uses more digits than its factorization.

198605705104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5276 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 198605705104 in words is "one hundred ninety-eight billion, six hundred five million, seven hundred five thousand, one hundred four".