1680682036 has 48 divisors (see below), whose sum is σ = 3353591808. Its totient is φ = 729528800.

The previous prime is 1680682007. The next prime is 1680682049. The reversal of 1680682036 is 6302860861.

It is a super-2 number, since 2×1680682036² = 5649384212266210592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1680682036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921021 + ... + 922843.

It is an arithmetic number, because the mean of its divisors is an integer number (69866496).

Almost surely, 2^1680682036 is an apocalyptic number.

It is an amenable number.

1680682036 is a deficient number, since it is larger than the sum of its proper divisors (1672909772).

1680682036 is a wasteful number, since it uses less digits than its factorization.

1680682036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772 (or 2770 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1680682036 is about 40996.1222068624. The cubic root of 1680682036 is about 1188.9452405635.

The spelling of 1680682036 in words is "one billion, six hundred eighty million, six hundred eighty-two thousand, thirty-six".