667164 has 24 divisors (see below), whose sum is σ = 1587600. Its totient is φ = 217984.

The previous prime is 667141. The next prime is 667171. The reversal of 667164 is 461766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112 + ... + 1160.

It is an arithmetic number, because the mean of its divisors is an integer number (66150).

2⁶⁶⁷¹⁶⁴ is an apocalyptic number.

It is an amenable number.

667164 is an abundant number, since it is smaller than the sum of its proper divisors (920436).

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

667164 is a wasteful number, since it uses less digits than its factorization.

667164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1107 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 667164 is about 816.8010773744. The cubic root of 667164 is about 87.3797641083.

The spelling of 667164 in words is "six hundred sixty-seven thousand, one hundred sixty-four".