6685418761 has 8 divisors (see below), whose sum is σ = 7698803904. Its totient is φ = 5686614960.

The previous prime is 6685418711. The next prime is 6685418819. The reversal of 6685418761 is 1678145866.

6685418761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6685418761 - 2¹⁹ = 6684894473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6685418699 and 6685418708.

It is not an unprimeable number, because it can be changed into a prime (6685418711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3644350 + ... + 3646183.

It is an arithmetic number, because the mean of its divisors is an integer number (962350488).

Almost surely, 2^6685418761 is an apocalyptic number.

It is an amenable number.

6685418761 is a deficient number, since it is larger than the sum of its proper divisors (1013385143).

6685418761 is a wasteful number, since it uses less digits than its factorization.

6685418761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290671.

The product of its digits is 1935360, while the sum is 52.

The square root of 6685418761 is about 81764.4101122243. The cubic root of 6685418761 is about 1883.8350454467.

The spelling of 6685418761 in words is "six billion, six hundred eighty-five million, four hundred eighteen thousand, seven hundred sixty-one".