6546659 has 8 divisors (see below), whose sum is σ = 7875840. Its totient is φ = 5315976.

The previous prime is 6546647. The next prime is 6546667. The reversal of 6546659 is 9566456.

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 6546659 - 2⁴ = 6546643 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6546689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24479 + ... + 24744.

It is an arithmetic number, because the mean of its divisors is an integer number (984480).

Almost surely, 2^6546659 is an apocalyptic number.

6546659 is a deficient number, since it is larger than the sum of its proper divisors (1329181).

6546659 is a wasteful number, since it uses less digits than its factorization.

6546659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49249.

The product of its digits is 194400, while the sum is 41.

The square root of 6546659 is about 2558.6439767971. The cubic root of 6546659 is about 187.0710454785.

It can be divided in two parts, 654665 and 9, that multiplied together give a palindrome (5891985).

The spelling of 6546659 in words is "six million, five hundred forty-six thousand, six hundred fifty-nine".