194104668 has 12 divisors (see below), whose sum is σ = 452910920. Its totient is φ = 64701552.

The previous prime is 194104667. The next prime is 194104681. The reversal of 194104668 is 866401491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194104661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8087683 + ... + 8087706.

Almost surely, 2^194104668 is an apocalyptic number.

It is an amenable number.

194104668 is an abundant number, since it is smaller than the sum of its proper divisors (258806252).

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

194104668 is a wasteful number, since it uses less digits than its factorization.

194104668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16175396 (or 16175394 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 194104668 is about 13932.1451327497. The cubic root of 194104668 is about 579.0001282659. Note that the first 3 decimals are identical.

The spelling of 194104668 in words is "one hundred ninety-four million, one hundred four thousand, six hundred sixty-eight".