194488166 has 8 divisors (see below), whose sum is σ = 292495104. Its totient is φ = 96989800.

The previous prime is 194488153. The next prime is 194488171. The reversal of 194488166 is 661884491.

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

It is a self number, because there is not a number n which added to its sum of digits gives 194488166.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 126185 + ... + 127716.

It is an arithmetic number, because the mean of its divisors is an integer number (36561888).

Almost surely, 2^194488166 is an apocalyptic number.

194488166 is a deficient number, since it is larger than the sum of its proper divisors (98006938).

194488166 is a wasteful number, since it uses less digits than its factorization.

194488166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254286.

The product of its digits is 331776, while the sum is 47.

The square root of 194488166 is about 13945.9014050724. The cubic root of 194488166 is about 579.3811929771.

The spelling of 194488166 in words is "one hundred ninety-four million, four hundred eighty-eight thousand, one hundred sixty-six".