660118 has 8 divisors (see below), whose sum is σ = 995040. Its totient is φ = 328440.

The previous prime is 660103. The next prime is 660119. The reversal of 660118 is 811066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (124380).

2⁶⁶⁰¹¹⁸ is an apocalyptic number.

660118 is a deficient number, since it is larger than the sum of its proper divisors (334922).

660118 is a wasteful number, since it uses less digits than its factorization.

660118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 660118 is about 812.4764611975. The cubic root of 660118 is about 87.0710653770.

The spelling of 660118 in words is "six hundred sixty thousand, one hundred eighteen".