660116 has 12 divisors (see below), whose sum is σ = 1161888. Its totient is φ = 328152.

The previous prime is 660103. The next prime is 660119. The reversal of 660116 is 611066.

It is a super-3 number, since 3×660116³ = 862942846333322688, which contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (96824).

2⁶⁶⁰¹¹⁶ is an apocalyptic number.

It is an amenable number.

660116 is a deficient number, since it is larger than the sum of its proper divisors (501772).

660116 is a wasteful number, since it uses less digits than its factorization.

660116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 660116 is about 812.4752303917. The cubic root of 660116 is about 87.0709774421.

The spelling of 660116 in words is "six hundred sixty thousand, one hundred sixteen".