660110120 has 32 divisors (see below), whose sum is σ = 1549825920. Its totient is φ = 252563520.

The previous prime is 660110107. The next prime is 660110131. The reversal of 660110120 is 21011066.

It is a happy number.

660110120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 357836 + ... + 359675.

It is an arithmetic number, because the mean of its divisors is an integer number (48432060).

Almost surely, 2^660110120 is an apocalyptic number.

It is an amenable number.

660110120 is an abundant number, since it is smaller than the sum of its proper divisors (889715800).

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

660110120 is a wasteful number, since it uses less digits than its factorization.

660110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717545 (or 717541 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 660110120 is about 25692.6082755333. The cubic root of 660110120 is about 870.7071891233.

Adding to 660110120 its reverse (21011066), we get a palindrome (681121186).

The spelling of 660110120 in words is "six hundred sixty million, one hundred ten thousand, one hundred twenty".