196678967849 has 8 divisors (see below), whose sum is σ = 242066422080. Its totient is φ = 155614128336.

The previous prime is 196678967843. The next prime is 196678967851. The reversal of 196678967849 is 948769876691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196678967849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (196678967843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080653579 + ... + 1080653760.

It is an arithmetic number, because the mean of its divisors is an integer number (30258302760).

Almost surely, 2^196678967849 is an apocalyptic number.

It is an amenable number.

196678967849 is a deficient number, since it is larger than the sum of its proper divisors (45387454231).

196678967849 is a wasteful number, since it uses less digits than its factorization.

196678967849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161307359.

The product of its digits is 1975228416, while the sum is 80.

The spelling of 196678967849 in words is "one hundred ninety-six billion, six hundred seventy-eight million, nine hundred sixty-seven thousand, eight hundred forty-nine".