16099664 has 40 divisors (see below), whose sum is σ = 36807168. Its totient is φ = 6675840.

The previous prime is 16099613. The next prime is 16099667. The reversal of 16099664 is 46699061.

16099664 is nontrivially palindromic in base 11.

16099664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16099667) 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, 1154 + ... + 5790.

Almost surely, 2^16099664 is an apocalyptic number.

16099664 is a gapful number since it is divisible by the number (14) 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 16099664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18403584).

16099664 is an abundant number, since it is smaller than the sum of its proper divisors (20707504).

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

16099664 is a wasteful number, since it uses less digits than its factorization.

16099664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4677 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 16099664 is about 4012.4386599673. The cubic root of 16099664 is about 252.5063305932.

The spelling of 16099664 in words is "sixteen million, ninety-nine thousand, six hundred sixty-four".