6689516 has 6 divisors (see below), whose sum is σ = 11706660. Its totient is φ = 3344756.

The previous prime is 6689503. The next prime is 6689537. The reversal of 6689516 is 6159866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836186 + ... + 836193.

It is an arithmetic number, because the mean of its divisors is an integer number (1951110).

Almost surely, 2^6689516 is an apocalyptic number.

It is an amenable number.

6689516 is a deficient number, since it is larger than the sum of its proper divisors (5017144).

6689516 is a wasteful number, since it uses less digits than its factorization.

6689516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672383 (or 1672381 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 6689516 is about 2586.4098669778. The cubic root of 6689516 is about 188.4219810482.

The spelling of 6689516 in words is "six million, six hundred eighty-nine thousand, five hundred sixteen".