6556670 has 16 divisors (see below), whose sum is σ = 12003120. Its totient is φ = 2577984.

The previous prime is 6556657. The next prime is 6556673. The reversal of 6556670 is 766556.

It is a self number, because there is not a number n which added to its sum of digits gives 6556670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556673) 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, 4967 + ... + 6146.

It is an arithmetic number, because the mean of its divisors is an integer number (750195).

Almost surely, 2^6556670 is an apocalyptic number.

6556670 is a deficient number, since it is larger than the sum of its proper divisors (5446450).

6556670 is a wasteful number, since it uses less digits than its factorization.

6556670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 6556670 is about 2560.5995391705. The cubic root of 6556670 is about 187.1663518248.

The spelling of 6556670 in words is "six million, five hundred fifty-six thousand, six hundred seventy".