16317120 has 112 divisors (see below), whose sum is σ = 54132480. Its totient is φ = 4156416.

The previous prime is 16317107. The next prime is 16317151. The reversal of 16317120 is 2171361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21711 + ... + 22449.

Almost surely, 2^16317120 is an apocalyptic number.

16317120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16317120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27066240).

16317120 is an abundant number, since it is smaller than the sum of its proper divisors (37815360).

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

16317120 is a wasteful number, since it uses less digits than its factorization.

16317120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 16317120 is about 4039.4455065021. The cubic root of 16317120 is about 253.6381065713.

Adding to 16317120 its reverse (2171361), we get a palindrome (18488481).

The spelling of 16317120 in words is "sixteen million, three hundred seventeen thousand, one hundred twenty".