6606144 has 56 divisors (see below), whose sum is σ = 19425920. Its totient is φ = 2201472.

The previous prime is 6606143. The next prime is 6606157. The reversal of 6606144 is 4416066.

It is a super-2 number, since 2×6606144² = 87282277097472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184 + ... + 3639.

Almost surely, 2^6606144 is an apocalyptic number.

6606144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6606144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9712960).

6606144 is an abundant number, since it is smaller than the sum of its proper divisors (12819776).

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

6606144 is a wasteful number, since it uses less digits than its factorization.

6606144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6606144 is about 2570.2420119514. The cubic root of 6606144 is about 187.6359334274.

The spelling of 6606144 in words is "six million, six hundred six thousand, one hundred forty-four".