196604165 has 4 divisors (see below), whose sum is σ = 235925004. Its totient is φ = 157283328.

The previous prime is 196604141. The next prime is 196604171. The reversal of 196604165 is 561406691.

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 54493924 + 142110241 = 7382^2 + 11921^2 .

It is a cyclic number.

It is not a de Polignac number, because 196604165 - 2⁸ = 196603909 is a prime.

It is a Duffinian number.

It is a congruent 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, 19660412 + ... + 19660421.

It is an arithmetic number, because the mean of its divisors is an integer number (58981251).

Almost surely, 2^196604165 is an apocalyptic number.

It is an amenable number.

196604165 is a deficient number, since it is larger than the sum of its proper divisors (39320839).

196604165 is an equidigital number, since it uses as much as digits as its factorization.

196604165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39320838.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 196604165 is about 14021.5607191211. The cubic root of 196604165 is about 581.4748089431.

The spelling of 196604165 in words is "one hundred ninety-six million, six hundred four thousand, one hundred sixty-five".