489318166 has 4 divisors (see below), whose sum is σ = 733977252. Its totient is φ = 244659082.

The previous prime is 489318163. The next prime is 489318209. The reversal of 489318166 is 661813984.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489318163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122329540 + ... + 122329543.

It is an arithmetic number, because the mean of its divisors is an integer number (183494313).

Almost surely, 2^489318166 is an apocalyptic number.

489318166 is a deficient number, since it is larger than the sum of its proper divisors (244659086).

489318166 is a wasteful number, since it uses less digits than its factorization.

489318166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244659085.

The product of its digits is 248832, while the sum is 46.

The square root of 489318166 is about 22120.5371996251. The cubic root of 489318166 is about 788.0076731884.

The spelling of 489318166 in words is "four hundred eighty-nine million, three hundred eighteen thousand, one hundred sixty-six".