6670556 has 6 divisors (see below), whose sum is σ = 11673480. Its totient is φ = 3335276.

The previous prime is 6670553. The next prime is 6670583. The reversal of 6670556 is 6550766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833816 + ... + 833823.

It is an arithmetic number, because the mean of its divisors is an integer number (1945580).

Almost surely, 2^6670556 is an apocalyptic number.

It is an amenable number.

6670556 is a deficient number, since it is larger than the sum of its proper divisors (5002924).

6670556 is a wasteful number, since it uses less digits than its factorization.

6670556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667643 (or 1667641 counting only the distinct ones).

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

The square root of 6670556 is about 2582.7419538158. The cubic root of 6670556 is about 188.2437986890.

The spelling of 6670556 in words is "six million, six hundred seventy thousand, five hundred fifty-six".