196040668 has 24 divisors (see below), whose sum is σ = 364325472. Its totient is φ = 91981824.

The previous prime is 196040599. The next prime is 196040723. The reversal of 196040668 is 866040691.

It is a self number, because there is not a number n which added to its sum of digits gives 196040668.

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 7 ways as a sum of consecutive naturals, for example, 19921 + ... + 28087.

It is an arithmetic number, because the mean of its divisors is an integer number (15180228).

Almost surely, 2^196040668 is an apocalyptic number.

It is an amenable number.

196040668 is a deficient number, since it is larger than the sum of its proper divisors (168284804).

196040668 is a wasteful number, since it uses less digits than its factorization.

196040668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8541 (or 8539 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 196040668 is about 14001.4523532382. The cubic root of 196040668 is about 580.9187460369.

The spelling of 196040668 in words is "one hundred ninety-six million, forty thousand, six hundred sixty-eight".