196818133010201 has 4 divisors (see below), whose sum is σ = 196820187296292. Its totient is φ = 196816078724112.

The previous prime is 196818133010173. The next prime is 196818133010203. The reversal of 196818133010201 is 102010331818691.

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 12826569216400 + 183991563793801 = 3581420^2 + 13564349^2 .

It is a cyclic number.

It is not a de Polignac number, because 196818133010201 - 2³⁰ = 196817059268377 is a prime.

It is a super-4 number, since 4×196818133010201⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196818133010203) 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, 1026999326 + ... + 1027190951.

It is an arithmetic number, because the mean of its divisors is an integer number (49205046824073).

Almost surely, 2^{196818133010201} is an apocalyptic number.

It is an amenable number.

196818133010201 is a deficient number, since it is larger than the sum of its proper divisors (2054286091).

196818133010201 is an equidigital number, since it uses as much as digits as its factorization.

196818133010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054286090.

The product of its (nonzero) digits is 62208, while the sum is 44.

Adding to 196818133010201 its reverse (102010331818691), we get a palindrome (298828464828892).

The spelling of 196818133010201 in words is "one hundred ninety-six trillion, eight hundred eighteen billion, one hundred thirty-three million, ten thousand, two hundred one".