6682860644 has 6 divisors (see below), whose sum is σ = 11695006134. Its totient is φ = 3341430320.

The previous prime is 6682860623. The next prime is 6682860661. The reversal of 6682860644 is 4460682866.

It can be written as a sum of positive squares in only one way, i.e., 3421080100 + 3261780544 = 58490^2 + 57112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6682860592 and 6682860601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835357577 + ... + 835357584.

It is an arithmetic number, because the mean of its divisors is an integer number (1949167689).

Almost surely, 2^6682860644 is an apocalyptic number.

It is an amenable number.

6682860644 is a deficient number, since it is larger than the sum of its proper divisors (5012145490).

6682860644 is a wasteful number, since it uses less digits than its factorization.

6682860644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670715165 (or 1670715163 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 50.

The square root of 6682860644 is about 81748.7653974052. The cubic root of 6682860644 is about 1883.5947371272.

The spelling of 6682860644 in words is "six billion, six hundred eighty-two million, eight hundred sixty thousand, six hundred forty-four".