196605766 has 8 divisors (see below), whose sum is σ = 337038480. Its totient is φ = 84259608.

The previous prime is 196605757. The next prime is 196605781. The reversal of 196605766 is 667506691.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7021621 + ... + 7021648.

It is an arithmetic number, because the mean of its divisors is an integer number (42129810).

Almost surely, 2^196605766 is an apocalyptic number.

196605766 is a deficient number, since it is larger than the sum of its proper divisors (140432714).

196605766 is a wasteful number, since it uses less digits than its factorization.

196605766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14043278.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 196605766 is about 14021.6178096538. The cubic root of 196605766 is about 581.4763873068.

The spelling of 196605766 in words is "one hundred ninety-six million, six hundred five thousand, seven hundred sixty-six".