11616616 has 32 divisors (see below), whose sum is σ = 24014880. Its totient is φ = 5224000.

The previous prime is 11616613. The next prime is 11616637. The reversal of 11616616 is 61661611.

It is not an unprimeable number, because it can be changed into a prime (11616611) 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, 8235 + ... + 9541.

It is an arithmetic number, because the mean of its divisors is an integer number (750465).

Almost surely, 2^11616616 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 11616616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12007440).

11616616 is an abundant number, since it is smaller than the sum of its proper divisors (12398264).

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

11616616 is a wasteful number, since it uses less digits than its factorization.

11616616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 11616616 is about 3408.3157130759. The cubic root of 11616616 is about 226.4782729103.

It can be divided in two parts, 1161 and 6616, that added together give a palindrome (7777).

The spelling of 11616616 in words is "eleven million, six hundred sixteen thousand, six hundred sixteen".