6689066612 has 24 divisors (see below), whose sum is σ = 12070459296. Its totient is φ = 3241885088.

The previous prime is 6689066611. The next prime is 6689066617. The reversal of 6689066612 is 2166609866.

It is a super-2 number, since 2×6689066612² = 89487224279546317088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689066611) 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, 172478 + ... + 207669.

It is an arithmetic number, because the mean of its divisors is an integer number (502935804).

Almost surely, 2^6689066612 is an apocalyptic number.

It is an amenable number.

6689066612 is a deficient number, since it is larger than the sum of its proper divisors (5381392684).

6689066612 is a wasteful number, since it uses less digits than its factorization.

6689066612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380287 (or 380285 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 6689066612 is about 81786.7141533391. The cubic root of 6689066612 is about 1884.1776168598.

The spelling of 6689066612 in words is "six billion, six hundred eighty-nine million, sixty-six thousand, six hundred twelve".