194897111116 has 48 divisors (see below), whose sum is σ = 370059272352. Its totient is φ = 89450700800.

The previous prime is 194897111077. The next prime is 194897111137. The reversal of 194897111116 is 611111798491.

It is a self number, because there is not a number n which added to its sum of digits gives 194897111116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10476375 + ... + 10494961.

It is an arithmetic number, because the mean of its divisors is an integer number (7709568174).

Almost surely, 2^194897111116 is an apocalyptic number.

It is an amenable number.

194897111116 is a deficient number, since it is larger than the sum of its proper divisors (175162161236).

194897111116 is a wasteful number, since it uses less digits than its factorization.

194897111116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22410 (or 22408 counting only the distinct ones).

The product of its digits is 108864, while the sum is 49.

The spelling of 194897111116 in words is "one hundred ninety-four billion, eight hundred ninety-seven million, one hundred eleven thousand, one hundred sixteen".