6682866836 has 12 divisors (see below), whose sum is σ = 12098293620. Its totient is φ = 3226211520.

The previous prime is 6682866781. The next prime is 6682866847. The reversal of 6682866836 is 6386682866.

It can be written as a sum of positive squares in 2 ways, for example, as 5165296900 + 1517569936 = 71870^2 + 38956^2 .

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, 28805345 + ... + 28805576.

It is an arithmetic number, because the mean of its divisors is an integer number (1008191135).

Almost surely, 2^6682866836 is an apocalyptic number.

It is an amenable number.

6682866836 is a deficient number, since it is larger than the sum of its proper divisors (5415426784).

6682866836 is a wasteful number, since it uses less digits than its factorization.

6682866836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57610954 (or 57610952 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 59.

The square root of 6682866836 is about 81748.8032695281. The cubic root of 6682866836 is about 1883.5953188748.

The spelling of 6682866836 in words is "six billion, six hundred eighty-two million, eight hundred sixty-six thousand, eight hundred thirty-six".