16319680 has 56 divisors (see below), whose sum is σ = 41861232. Its totient is φ = 6024192.

The previous prime is 16319657. The next prime is 16319687. The reversal of 16319680 is 8691361.

It is not an unprimeable number, because it can be changed into a prime (16319687) 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, 2199 + ... + 6121.

It is an arithmetic number, because the mean of its divisors is an integer number (747522).

Almost surely, 2^16319680 is an apocalyptic number.

16319680 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 16319680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20930616).

16319680 is an abundant number, since it is smaller than the sum of its proper divisors (25541552).

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

16319680 is a wasteful number, since it uses less digits than its factorization.

16319680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3943 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 16319680 is about 4039.7623692490. The cubic root of 16319680 is about 253.6513703416.

It can be divided in two parts, 1631 and 9680, that added together give a palindrome (11311).

The spelling of 16319680 in words is "sixteen million, three hundred nineteen thousand, six hundred eighty".