16003296 has 72 divisors (see below), whose sum is σ = 45909864. Its totient is φ = 5287680.

The previous prime is 16003237. The next prime is 16003303. The reversal of 16003296 is 69230061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×16003296² = 512210965727232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51975 + ... + 52281.

It is an arithmetic number, because the mean of its divisors is an integer number (637637).

Almost surely, 2^16003296 is an apocalyptic number.

16003296 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 16003296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22954932).

16003296 is an abundant number, since it is smaller than the sum of its proper divisors (29906568).

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

16003296 is a wasteful number, since it uses less digits than its factorization.

16003296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16003296 is about 4000.4119787842. The cubic root of 16003296 is about 252.0015117067.

The spelling of 16003296 in words is "sixteen million, three thousand, two hundred ninety-six".