1680508036 has 27 divisors (see below), whose sum is σ = 2984716791. Its totient is φ = 827914824.

The previous prime is 1680508031. The next prime is 1680508043. The reversal of 1680508036 is 6308050861.

The square root of 1680508036 is 40994.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1680507986 and 1680508004.

It is not an unprimeable number, because it can be changed into a prime (1680508031) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8444665 + ... + 8444863.

Almost surely, 2^1680508036 is an apocalyptic number.

1680508036 is the 40994-th square number.

It is an amenable number.

1680508036 is a deficient number, since it is larger than the sum of its proper divisors (1304208755).

1680508036 is an equidigital number, since it uses as much as digits as its factorization.

1680508036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The cubic root of 1680508036 is about 1188.9042088857.

Adding to 1680508036 its reverse (6308050861), we get a palindrome (7988558897).

The spelling of 1680508036 in words is "one billion, six hundred eighty million, five hundred eight thousand, thirty-six".