194813974266 has 8 divisors (see below), whose sum is σ = 389627948544. Its totient is φ = 64937991420.

The previous prime is 194813974241. The next prime is 194813974351. The reversal of 194813974266 is 662479318491.

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

194813974266 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16234497850 + ... + 16234497861.

It is an arithmetic number, because the mean of its divisors is an integer number (48703493568).

Almost surely, 2^194813974266 is an apocalyptic number.

194813974266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194813974266 is a wasteful number, since it uses less digits than its factorization.

194813974266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32468995716.

The product of its digits is 15676416, while the sum is 60.

The spelling of 194813974266 in words is "one hundred ninety-four billion, eight hundred thirteen million, nine hundred seventy-four thousand, two hundred sixty-six".