196642517 has 8 divisors (see below), whose sum is σ = 203196672. Its totient is φ = 190101600.

The previous prime is 196642513. The next prime is 196642549. The reversal of 196642517 is 715246691.

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 196642517 - 2² = 196642513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196642513) 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, 33593 + ... + 39009.

It is an arithmetic number, because the mean of its divisors is an integer number (25399584).

Almost surely, 2^196642517 is an apocalyptic number.

It is an amenable number.

196642517 is a deficient number, since it is larger than the sum of its proper divisors (6554155).

196642517 is a wasteful number, since it uses less digits than its factorization.

196642517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619.

The product of its digits is 90720, while the sum is 41.

The square root of 196642517 is about 14022.9282605310. The cubic root of 196642517 is about 581.5126163346.

The spelling of 196642517 in words is "one hundred ninety-six million, six hundred forty-two thousand, five hundred seventeen".