196442566 has 8 divisors (see below), whose sum is σ = 295301664. Its totient is φ = 98008680.

The previous prime is 196442551. The next prime is 196442569. The reversal of 196442566 is 665244691.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196442569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105145 + ... + 106996.

It is an arithmetic number, because the mean of its divisors is an integer number (36912708).

Almost surely, 2^196442566 is an apocalyptic number.

196442566 is a deficient number, since it is larger than the sum of its proper divisors (98859098).

196442566 is a wasteful number, since it uses less digits than its factorization.

196442566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212606.

The product of its digits is 311040, while the sum is 43.

The square root of 196442566 is about 14015.7970162242. The cubic root of 196442566 is about 581.3154506634.

The spelling of 196442566 in words is "one hundred ninety-six million, four hundred forty-two thousand, five hundred sixty-six".