6611456 has 40 divisors (see below), whose sum is σ = 13605900. Its totient is φ = 3207168.

The previous prime is 6611447. The next prime is 6611461. The reversal of 6611456 is 6541166.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 774400 = 2416^2 + 880^2 .

It is a super-2 number, since 2×6611456² = 87422700879872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18770 + ... + 19118.

Almost surely, 2^6611456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6611456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6802950).

6611456 is an abundant number, since it is smaller than the sum of its proper divisors (6994444).

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

6611456 is an equidigital number, since it uses as much as digits as its factorization.

6611456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 388 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 6611456 is about 2571.2751700275. The cubic root of 6611456 is about 187.6862126343.

The spelling of 6611456 in words is "six million, six hundred eleven thousand, four hundred fifty-six".