196656369 has 32 divisors (see below), whose sum is σ = 331457280. Its totient is φ = 100922112.

The previous prime is 196656353. The next prime is 196656373. The reversal of 196656369 is 963656691.

It is not a de Polignac number, because 196656369 - 2⁴ = 196656353 is a prime.

It is a super-2 number, since 2×196656369² = 77347454936528322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (196656389) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 367 + ... + 19835.

It is an arithmetic number, because the mean of its divisors is an integer number (10358040).

Almost surely, 2^196656369 is an apocalyptic number.

It is an amenable number.

196656369 is a deficient number, since it is larger than the sum of its proper divisors (134800911).

196656369 is a wasteful number, since it uses less digits than its factorization.

196656369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19529.

The product of its digits is 1574640, while the sum is 51.

The square root of 196656369 is about 14023.4221572339. The cubic root of 196656369 is about 581.5262704242.

The spelling of 196656369 in words is "one hundred ninety-six million, six hundred fifty-six thousand, three hundred sixty-nine".