196919358217 has 8 divisors (see below), whose sum is σ = 200740130496. Its totient is φ = 193102486512.

The previous prime is 196919358211. The next prime is 196919358239. The reversal of 196919358217 is 712853919691.

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 196919358217 - 2²³ = 196910969609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196919358211) 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, 873093 + ... + 1075234.

It is an arithmetic number, because the mean of its divisors is an integer number (25092516312).

Almost surely, 2^196919358217 is an apocalyptic number.

It is an amenable number.

196919358217 is a deficient number, since it is larger than the sum of its proper divisors (3820772279).

196919358217 is a wasteful number, since it uses less digits than its factorization.

196919358217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950287.

The product of its digits is 7348320, while the sum is 61.

The spelling of 196919358217 in words is "one hundred ninety-six billion, nine hundred nineteen million, three hundred fifty-eight thousand, two hundred seventeen".