196318097 has 4 divisors (see below), whose sum is σ = 199007460. Its totient is φ = 193628736.

The previous prime is 196318093. The next prime is 196318117. The reversal of 196318097 is 790813691.

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 95335696 + 100982401 = 9764^2 + 10049^2 .

It is a cyclic number.

It is not a de Polignac number, because 196318097 - 2² = 196318093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196318093) 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, 1344572 + ... + 1344717.

It is an arithmetic number, because the mean of its divisors is an integer number (49751865).

Almost surely, 2^196318097 is an apocalyptic number.

It is an amenable number.

196318097 is a deficient number, since it is larger than the sum of its proper divisors (2689363).

196318097 is an equidigital number, since it uses as much as digits as its factorization.

196318097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689362.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 196318097 is about 14011.3560014725. The cubic root of 196318097 is about 581.1926479505.

The spelling of 196318097 in words is "one hundred ninety-six million, three hundred eighteen thousand, ninety-seven".