667118 has 12 divisors (see below), whose sum is σ = 1029192. Its totient is φ = 324300.

The previous prime is 667103. The next prime is 667123. The reversal of 667118 is 811766.

It is a congruent number.

It is an unprimeable number.

667118 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 5 ways as a sum of consecutive naturals, for example, 4343 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (85766).

2⁶⁶⁷¹¹⁸ is an apocalyptic number.

667118 is a deficient number, since it is larger than the sum of its proper divisors (362074).

667118 is a wasteful number, since it uses less digits than its factorization.

667118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 200 counting only the distinct ones).

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

The square root of 667118 is about 816.7729182582. The cubic root of 667118 is about 87.3777558257.

The spelling of 667118 in words is "six hundred sixty-seven thousand, one hundred eighteen".