6682646761 has 4 divisors (see below), whose sum is σ = 7637310592. Its totient is φ = 5727982932.

The previous prime is 6682646749. The next prime is 6682646767. The reversal of 6682646761 is 1676462866.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6682646761 - 2¹¹ = 6682644713 is a prime.

It is a super-2 number, since 2×6682646761² = 89315535464607582242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6682646699 and 6682646708.

It is not an unprimeable number, because it can be changed into a prime (6682646767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477331905 + ... + 477331918.

It is an arithmetic number, because the mean of its divisors is an integer number (1909327648).

Almost surely, 2^6682646761 is an apocalyptic number.

It is an amenable number.

6682646761 is a deficient number, since it is larger than the sum of its proper divisors (954663831).

6682646761 is an equidigital number, since it uses as much as digits as its factorization.

6682646761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954663830.

The product of its digits is 3483648, while the sum is 52.

The square root of 6682646761 is about 81747.4572142767. The cubic root of 6682646761 is about 1883.5746422799.

The spelling of 6682646761 in words is "six billion, six hundred eighty-two million, six hundred forty-six thousand, seven hundred sixty-one".