6115616 has 48 divisors (see below), whose sum is σ = 13233528. Its totient is φ = 2764800.

The previous prime is 6115579. The next prime is 6115639. The reversal of 6115616 is 6165116.

It can be written as a sum of positive squares in 4 ways, for example, as 3225616 + 2890000 = 1796^2 + 1700^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25256 + ... + 25496.

Almost surely, 2^6115616 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 6115616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6616764).

6115616 is an abundant number, since it is smaller than the sum of its proper divisors (7117912).

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

6115616 is a wasteful number, since it uses less digits than its factorization.

6115616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 317 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 6115616 is about 2472.9771531496. The cubic root of 6115616 is about 182.8717984905.

It can be divided in two parts, 61 and 15616, that multiplied together give a square (952576 = 976²).

The spelling of 6115616 in words is "six million, one hundred fifteen thousand, six hundred sixteen".