16601312 has 48 divisors (see below), whose sum is σ = 40233312. Its totient is φ = 6566400.

The previous prime is 16601287. The next prime is 16601323. The reversal of 16601312 is 21310661.

16601312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 62 + ... + 5762.

It is an arithmetic number, because the mean of its divisors is an integer number (838194).

Almost surely, 2^16601312 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 16601312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20116656).

16601312 is an abundant number, since it is smaller than the sum of its proper divisors (23632000).

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

16601312 is a wasteful number, since it uses less digits than its factorization.

16601312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731 (or 5723 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 16601312 is about 4074.4707631789. The cubic root of 16601312 is about 255.1021607831.

Adding to 16601312 its reverse (21310661), we get a palindrome (37911973).

The spelling of 16601312 in words is "sixteen million, six hundred one thousand, three hundred twelve".