6221765682 has 64 divisors (see below), whose sum is σ = 15269397120. Its totient is φ = 1885368960.

The previous prime is 6221765663. The next prime is 6221765773. The reversal of 6221765682 is 2865671226.

6221765682 is a `hidden beast` number, since 62 + 21 + 7 + 6 + 568 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16543 + ... + 112770.

It is an arithmetic number, because the mean of its divisors is an integer number (238584330).

Almost surely, 2^6221765682 is an apocalyptic number.

6221765682 is an abundant number, since it is smaller than the sum of its proper divisors (9047631438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6221765682 is a wasteful number, since it uses less digits than its factorization.

6221765682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129347 (or 129329 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 6221765682 is about 78878.1698697428. The cubic root of 6221765682 is about 1839.2377988732.

It can be divided in two parts, 6221 and 765682, that added together give a triangular number (771903 = T₁₂₄₂).

The spelling of 6221765682 in words is "six billion, two hundred twenty-one million, seven hundred sixty-five thousand, six hundred eighty-two".