196341154817 has 8 divisors (see below), whose sum is σ = 196633067400. Its totient is φ = 196049443840.

The previous prime is 196341154811. The next prime is 196341154859. The reversal of 196341154817 is 718451143691.

It is a Cunningham number, because it is equal to 443104²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 119118858496 + 77222296321 = 345136^2 + 277889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196341154817 - 2¹² = 196341150721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196341154811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957817 + ... + 2055657.

It is an arithmetic number, because the mean of its divisors is an integer number (24579133425).

Almost surely, 2^196341154817 is an apocalyptic number.

It is an amenable number.

196341154817 is a deficient number, since it is larger than the sum of its proper divisors (291912583).

196341154817 is a wasteful number, since it uses less digits than its factorization.

196341154817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100803.

The product of its digits is 725760, while the sum is 50.

The spelling of 196341154817 in words is "one hundred ninety-six billion, three hundred forty-one million, one hundred fifty-four thousand, eight hundred seventeen".