6615552 has 80 divisors (see below), whose sum is σ = 18168480. Its totient is φ = 2138112.

The previous prime is 6615551. The next prime is 6615571. The reversal of 6615552 is 2555166.

It is not an unprimeable number, because it can be changed into a prime (6615551) 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, 90588 + ... + 90660.

It is an arithmetic number, because the mean of its divisors is an integer number (227106).

Almost surely, 2^6615552 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 6615552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9084240).

6615552 is an abundant number, since it is smaller than the sum of its proper divisors (11552928).

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

6615552 is an equidigital number, since it uses as much as digits as its factorization.

6615552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 137 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 6615552 is about 2572.0715386630. The cubic root of 6615552 is about 187.7249637568.

The spelling of 6615552 in words is "six million, six hundred fifteen thousand, five hundred fifty-two".