671168 has 14 divisors (see below), whose sum is σ = 1331976. Its totient is φ = 335552.

The previous prime is 671161. The next prime is 671189. The reversal of 671168 is 861176.

It is a self number, because there is not a number n which added to its sum of digits gives 671168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671161) by changing a digit.

671168 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5180 + ... + 5307.

2⁶⁷¹¹⁶⁸ is an apocalyptic number.

It is an amenable number.

671168 is a deficient number, since it is larger than the sum of its proper divisors (660808).

671168 is a wasteful number, since it uses less digits than its factorization.

671168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10499 (or 10489 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 671168 is about 819.2484360681. The cubic root of 671168 is about 87.5542194571.

The spelling of 671168 in words is "six hundred seventy-one thousand, one hundred sixty-eight".