194998569968 has 30 divisors (see below), whose sum is σ = 385872196944. Its totient is φ = 95418906208.

The previous prime is 194998569959. The next prime is 194998569973. The reversal of 194998569968 is 869965899491.

194998569968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 12101405 + ... + 12117507.

Almost surely, 2^194998569968 is an apocalyptic number.

It is an amenable number.

194998569968 is a deficient number, since it is larger than the sum of its proper divisors (190873626976).

194998569968 is an frugal number, since it uses more digits than its factorization.

194998569968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32261 (or 16152 counting only the distinct ones).

The product of its digits is 2720977920, while the sum is 83.

The spelling of 194998569968 in words is "one hundred ninety-four billion, nine hundred ninety-eight million, five hundred sixty-nine thousand, nine hundred sixty-eight".