670160 has 20 divisors (see below), whose sum is σ = 1558308. Its totient is φ = 268032.

The previous prime is 670147. The next prime is 670177. The reversal of 670160 is 61076.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 506944 = 404^2 + 712^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×670160² = 898228851200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

670160 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 in 3 ways as a sum of consecutive naturals, for example, 4109 + ... + 4268.

2⁶⁷⁰¹⁶⁰ is an apocalyptic number.

It is an amenable number.

670160 is an abundant number, since it is smaller than the sum of its proper divisors (888148).

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

670160 is a wasteful number, since it uses less digits than its factorization.

670160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390 (or 8384 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 670160 is about 818.6330069085. The cubic root of 670160 is about 87.5103661188.

The spelling of 670160 in words is "six hundred seventy thousand, one hundred sixty".