16610616 has 64 divisors (see below), whose sum is σ = 50342400. Its totient is φ = 5032800.

The previous prime is 16610611. The next prime is 16610641. The reversal of 16610616 is 61601661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16610616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16610611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (786600).

Almost surely, 2^16610616 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 16610616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25171200).

16610616 is an abundant number, since it is smaller than the sum of its proper divisors (33731784).

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

16610616 is a wasteful number, since it uses less digits than its factorization.

16610616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017 (or 7007 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 16610616 is about 4075.6123466296. The cubic root of 16610616 is about 255.1498081668.

The spelling of 16610616 in words is "sixteen million, six hundred ten thousand, six hundred sixteen".