196645814786 has 16 divisors (see below), whose sum is σ = 295395438624. Its totient is φ = 98180740224.

The previous prime is 196645814779. The next prime is 196645814819. The reversal of 196645814786 is 687418546691.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6248306 + ... + 6279698.

It is an arithmetic number, because the mean of its divisors is an integer number (18462214914).

Almost surely, 2^196645814786 is an apocalyptic number.

196645814786 is a deficient number, since it is larger than the sum of its proper divisors (98749623838).

196645814786 is a wasteful number, since it uses less digits than its factorization.

196645814786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35825.

The product of its digits is 69672960, while the sum is 65.

The spelling of 196645814786 in words is "one hundred ninety-six billion, six hundred forty-five million, eight hundred fourteen thousand, seven hundred eighty-six".