671160 has 128 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 141312.

The previous prime is 671159. The next prime is 671161. The reversal of 671160 is 61176.

671160 = T₄₁ + T₄₂ + ... + T₁₅₉.

It is an interprime number because it is at equal distance from previous prime (671159) and next prime (671161).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 671160.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14257 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2⁶⁷¹¹⁶⁰ is an apocalyptic number.

671160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244160).

671160 is an abundant number, since it is smaller than the sum of its proper divisors (1817160).

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

671160 is a wasteful number, since it uses less digits than its factorization.

671160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 671160 is about 819.2435535297. The cubic root of 671160 is about 87.5538715877.

The spelling of 671160 in words is "six hundred seventy-one thousand, one hundred sixty".