557668194 has 8 divisors (see below), whose sum is σ = 1115336400. Its totient is φ = 185889396.

The previous prime is 557668193. The next prime is 557668201. The reversal of 557668194 is 491866755.

557668194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

557668194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (557668193) 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, 46472344 + ... + 46472355.

It is an arithmetic number, because the mean of its divisors is an integer number (139417050).

Almost surely, 2^557668194 is an apocalyptic number.

557668194 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.

557668194 is a wasteful number, since it uses less digits than its factorization.

557668194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92944704.

The product of its digits is 1814400, while the sum is 51.

The square root of 557668194 is about 23614.9993436375. Note that the first 3 decimals coincide. The cubic root of 557668194 is about 823.1114162391. Note that the first 3 decimals are identical.

The spelling of 557668194 in words is "five hundred fifty-seven million, six hundred sixty-eight thousand, one hundred ninety-four".