198764466 has 16 divisors (see below), whose sum is σ = 400565088. Its totient is φ = 65748800.

The previous prime is 198764441. The next prime is 198764477. The reversal of 198764466 is 664467891.

198764466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125655 + ... + 127226.

It is an arithmetic number, because the mean of its divisors is an integer number (25035318).

Almost surely, 2^198764466 is an apocalyptic number.

198764466 is an abundant number, since it is smaller than the sum of its proper divisors (201800622).

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

198764466 is a wasteful number, since it uses less digits than its factorization.

198764466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253017.

The product of its digits is 1741824, while the sum is 51.

The square root of 198764466 is about 14098.3852266847. The cubic root of 198764466 is about 583.5968181845.

It can be divided in two parts, 19876 and 4466, that added together give a palindrome (24342).

The spelling of 198764466 in words is "one hundred ninety-eight million, seven hundred sixty-four thousand, four hundred sixty-six".