1660112 has 20 divisors (see below), whose sum is σ = 3321216. Its totient is φ = 803040.

The previous prime is 1660111. The next prime is 1660121. The reversal of 1660112 is 2110661.

It is a happy number.

1660112 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660111) 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, 1178 + ... + 2169.

2^1660112 is an apocalyptic number.

It is an amenable number.

1660112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1660112 is a wasteful number, since it uses less digits than its factorization.

1660112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386 (or 3380 counting only the distinct ones).

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

The square root of 1660112 is about 1288.4533363688. The cubic root of 1660112 is about 118.4074776139.

Adding to 1660112 its reverse (2110661), we get a palindrome (3770773).

The spelling of 1660112 in words is "one million, six hundred sixty thousand, one hundred twelve".