196558663 has 8 divisors (see below), whose sum is σ = 226127360. Its totient is φ = 167362200.

The previous prime is 196558651. The next prime is 196558669. The reversal of 196558663 is 366855691.

It is a happy number.

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 196558663 - 2⁹ = 196558151 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 (196558669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91923 + ... + 94036.

It is an arithmetic number, because the mean of its divisors is an integer number (28265920).

Almost surely, 2^196558663 is an apocalyptic number.

196558663 is a deficient number, since it is larger than the sum of its proper divisors (29568697).

196558663 is a wasteful number, since it uses less digits than its factorization.

196558663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186117.

The product of its digits is 1166400, while the sum is 49.

The square root of 196558663 is about 14019.9380526449. The cubic root of 196558663 is about 581.4299467056.

The spelling of 196558663 in words is "one hundred ninety-six million, five hundred fifty-eight thousand, six hundred sixty-three".