16381696 has 36 divisors (see below), whose sum is σ = 33112800. Its totient is φ = 8087552.

The previous prime is 16381691. The next prime is 16381699. The reversal of 16381696 is 69618361.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16381691) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22425 + ... + 23143.

It is an arithmetic number, because the mean of its divisors is an integer number (919800).

Almost surely, 2^16381696 is an apocalyptic number.

16381696 is a gapful number since it is divisible by the number (16) 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 16381696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16556400).

16381696 is an abundant number, since it is smaller than the sum of its proper divisors (16731104).

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

16381696 is an frugal number, since it uses more digits than its factorization.

16381696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 810 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 16381696 is about 4047.4307900198. The cubic root of 16381696 is about 253.9722622489.

The spelling of 16381696 in words is "sixteen million, three hundred eighty-one thousand, six hundred ninety-six".