6566670 has 120 divisors (see below), whose sum is σ = 19697832. Its totient is φ = 1568160.

The previous prime is 6566663. The next prime is 6566701. The reversal of 6566670 is 766656.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 97977 + ... + 98043.

Almost surely, 2^6566670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6566670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9848916).

6566670 is an abundant number, since it is smaller than the sum of its proper divisors (13131162).

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

6566670 is a wasteful number, since it uses less digits than its factorization.

6566670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 6566670 is about 2562.5514628979. The cubic root of 6566670 is about 187.2614566464.

The spelling of 6566670 in words is "six million, five hundred sixty-six thousand, six hundred seventy".