196555647 has 8 divisors (see below), whose sum is σ = 262609920. Its totient is φ = 130769240.

The previous prime is 196555637. The next prime is 196555663. The reversal of 196555647 is 746555691.

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 196555647 - 2⁸ = 196555391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196555596 and 196555605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196555637) 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, 65247 + ... + 68192.

It is an arithmetic number, because the mean of its divisors is an integer number (32826240).

Almost surely, 2^196555647 is an apocalyptic number.

196555647 is a deficient number, since it is larger than the sum of its proper divisors (66054273).

196555647 is a wasteful number, since it uses less digits than its factorization.

196555647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133933.

The product of its digits is 1134000, while the sum is 48.

The square root of 196555647 is about 14019.8304911293. The cubic root of 196555647 is about 581.4269728662.

The spelling of 196555647 in words is "one hundred ninety-six million, five hundred fifty-five thousand, six hundred forty-seven".