4511616 has 64 divisors (see below), whose sum is σ = 12403200. Its totient is φ = 1451520.

The previous prime is 4511609. The next prime is 4511623. The reversal of 4511616 is 6161154.

It is an interprime number because it is at equal distance from previous prime (4511609) and next prime (4511623).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 11715 + ... + 12093.

It is an arithmetic number, because the mean of its divisors is an integer number (193800).

Almost surely, 2^4511616 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 4511616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6201600).

4511616 is an abundant number, since it is smaller than the sum of its proper divisors (7891584).

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

4511616 is a wasteful number, since it uses less digits than its factorization.

4511616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 415 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 4511616 is about 2124.0564964238. The cubic root of 4511616 is about 165.2382966361.

The spelling of 4511616 in words is "four million, five hundred eleven thousand, six hundred sixteen".