6556764 has 24 divisors (see below), whose sum is σ = 16199568. Its totient is φ = 2056960.

The previous prime is 6556757. The next prime is 6556777. The reversal of 6556764 is 4676556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15867 + ... + 16274.

It is an arithmetic number, because the mean of its divisors is an integer number (674982).

Almost surely, 2^6556764 is an apocalyptic number.

It is an amenable number.

6556764 is an abundant number, since it is smaller than the sum of its proper divisors (9642804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6556764 is a wasteful number, since it uses less digits than its factorization.

6556764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32165 (or 32163 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 6556764 is about 2560.6178941810. The cubic root of 6556764 is about 187.1672462602.

The spelling of 6556764 in words is "six million, five hundred fifty-six thousand, seven hundred sixty-four".