198562065 has 32 divisors (see below), whose sum is σ = 360151680. Its totient is φ = 92606976.

The previous prime is 198562033. The next prime is 198562073. The reversal of 198562065 is 560265891.

198562065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198562065 - 2⁵ = 198562033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23092 + ... + 30501.

It is an arithmetic number, because the mean of its divisors is an integer number (11254740).

Almost surely, 2^198562065 is an apocalyptic number.

198562065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198562065 is a deficient number, since it is larger than the sum of its proper divisors (161589615).

198562065 is a wasteful number, since it uses less digits than its factorization.

198562065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53633.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 198562065 is about 14091.2052358909. The cubic root of 198562065 is about 583.3986595321.

The spelling of 198562065 in words is "one hundred ninety-eight million, five hundred sixty-two thousand, sixty-five".