6670146 has 64 divisors (see below), whose sum is σ = 16220160. Its totient is φ = 1788480.

The previous prime is 6670109. The next prime is 6670187. The reversal of 6670146 is 6410766.

It is a super-2 number, since 2×6670146² = 88981695322632, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6⁷ + 6⁷ + 7⁸ + 0 + 1 + 4⁸ + 6⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61140 + ... + 61248.

It is an arithmetic number, because the mean of its divisors is an integer number (253440).

Almost surely, 2^6670146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6670146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8110080).

6670146 is an abundant number, since it is smaller than the sum of its proper divisors (9550014).

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

6670146 is a wasteful number, since it uses less digits than its factorization.

6670146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 6670146 is about 2582.6625795872. The cubic root of 6670146 is about 188.2399418621.

The spelling of 6670146 in words is "six million, six hundred seventy thousand, one hundred forty-six".