16881696 has 144 divisors (see below), whose sum is σ = 53936064. Its totient is φ = 5163264.

The previous prime is 16881691. The next prime is 16881713. The reversal of 16881696 is 69618861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16881691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101005 + ... + 101171.

It is an arithmetic number, because the mean of its divisors is an integer number (374556).

Almost surely, 2^16881696 is an apocalyptic number.

16881696 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 16881696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26968032).

16881696 is an abundant number, since it is smaller than the sum of its proper divisors (37054368).

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

16881696 is a wasteful number, since it uses less digits than its factorization.

16881696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 185 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 16881696 is about 4108.7341116212. The cubic root of 16881696 is about 256.5303134380.

The spelling of 16881696 in words is "sixteen million, eight hundred eighty-one thousand, six hundred ninety-six".