198306066 has 32 divisors (see below), whose sum is σ = 462919680. Its totient is φ = 55452816.

The previous prime is 198306061. The next prime is 198306077. The reversal of 198306066 is 660603891.

It is a happy number.

198306066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (198306061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48256 + ... + 52203.

It is an arithmetic number, because the mean of its divisors is an integer number (14466240).

Almost surely, 2^198306066 is an apocalyptic number.

198306066 is an abundant number, since it is smaller than the sum of its proper divisors (264613614).

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

198306066 is a wasteful number, since it uses less digits than its factorization.

198306066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100518.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 198306066 is about 14082.1186616219. The cubic root of 198306066 is about 583.1478333347.

The spelling of 198306066 in words is "one hundred ninety-eight million, three hundred six thousand, sixty-six".