6686007669 has 12 divisors (see below), whose sum is σ = 10535527392. Its totient is φ = 4052125800.

The previous prime is 6686007649. The next prime is 6686007697. The reversal of 6686007669 is 9667006866.

It is not a de Polignac number, because 6686007669 - 2¹⁹ = 6685483381 is a prime.

It is a super-2 number, since 2×6686007669² = 89405397099853627122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6686007619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33767617 + ... + 33767814.

It is an arithmetic number, because the mean of its divisors is an integer number (877960616).

Almost surely, 2^6686007669 is an apocalyptic number.

It is an amenable number.

6686007669 is a deficient number, since it is larger than the sum of its proper divisors (3849519723).

6686007669 is a wasteful number, since it uses less digits than its factorization.

6686007669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67535448 (or 67535445 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The square root of 6686007669 is about 81768.0112819188. The cubic root of 6686007669 is about 1883.8903585091.

The spelling of 6686007669 in words is "six billion, six hundred eighty-six million, seven thousand, six hundred sixty-nine".