198332065 has 4 divisors (see below), whose sum is σ = 237998484. Its totient is φ = 158665648.

The previous prime is 198332053. The next prime is 198332087. The reversal of 198332065 is 560233891.

198332065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25120144 + 173211921 = 5012^2 + 13161^2 .

It is a cyclic number.

It is not a de Polignac number, because 198332065 - 2¹¹ = 198330017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19833202 + ... + 19833211.

It is an arithmetic number, because the mean of its divisors is an integer number (59499621).

Almost surely, 2^198332065 is an apocalyptic number.

It is an amenable number.

198332065 is a deficient number, since it is larger than the sum of its proper divisors (39666419).

198332065 is an equidigital number, since it uses as much as digits as its factorization.

198332065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39666418.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 198332065 is about 14083.0417524056. The cubic root of 198332065 is about 583.1733168349.

The spelling of 198332065 in words is "one hundred ninety-eight million, three hundred thirty-two thousand, sixty-five".