196216369 has 4 divisors (see below), whose sum is σ = 196282980. Its totient is φ = 196149760.

The previous prime is 196216357. The next prime is 196216393. The reversal of 196216369 is 963612691.

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 156375025 + 39841344 = 12505^2 + 6312^2 .

It is a cyclic number.

It is not a de Polignac number, because 196216369 - 2²¹ = 194119217 is a prime.

It is a super-2 number, since 2×196216369² = 77001726927088322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196216169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28672 + ... + 34849.

It is an arithmetic number, because the mean of its divisors is an integer number (49070745).

Almost surely, 2^196216369 is an apocalyptic number.

It is an amenable number.

196216369 is a deficient number, since it is larger than the sum of its proper divisors (66611).

196216369 is an equidigital number, since it uses as much as digits as its factorization.

196216369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66610.

The product of its digits is 104976, while the sum is 43.

The square root of 196216369 is about 14007.7253328297. The cubic root of 196216369 is about 581.0922432472.

The spelling of 196216369 in words is "one hundred ninety-six million, two hundred sixteen thousand, three hundred sixty-nine".