1680118 has 8 divisors (see below), whose sum is σ = 2749320. Its totient is φ = 763680.

The previous prime is 1680103. The next prime is 1680121. The reversal of 1680118 is 8110861.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1680092 and 1680101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38163 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (343665).

2^1680118 is an apocalyptic number.

1680118 is a deficient number, since it is larger than the sum of its proper divisors (1069202).

1680118 is a wasteful number, since it uses less digits than its factorization.

1680118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76382.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 1680118 is about 1296.1936583705. The cubic root of 1680118 is about 118.8812222551.

Adding to 1680118 its reverse (8110861), we get a palindrome (9790979).

The spelling of 1680118 in words is "one million, six hundred eighty thousand, one hundred eighteen".