198535266 has 32 divisors (see below), whose sum is σ = 453118080. Its totient is φ = 64389168.

The previous prime is 198535261. The next prime is 198535273. The reversal of 198535266 is 662535891.

198535266 is a `hidden beast` number, since 1 + 98 + 535 + 26 + 6 = 666.

198535266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198535261) 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, 47686 + ... + 51681.

It is an arithmetic number, because the mean of its divisors is an integer number (14159940).

Almost surely, 2^198535266 is an apocalyptic number.

198535266 is an abundant number, since it is smaller than the sum of its proper divisors (254582814).

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

198535266 is a wasteful number, since it uses less digits than its factorization.

198535266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99415 (or 99409 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 198535266 is about 14090.2542915307. The cubic root of 198535266 is about 583.3724121484.

The spelling of 198535266 in words is "one hundred ninety-eight million, five hundred thirty-five thousand, two hundred sixty-six".