16488320 has 32 divisors (see below), whose sum is σ = 39418920. Its totient is φ = 6595072.

The previous prime is 16488313. The next prime is 16488323. The reversal of 16488320 is 2388461.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×16488320³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16488323) 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, 12242 + ... + 13521.

Almost surely, 2^16488320 is an apocalyptic number.

16488320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16488320 is an abundant number, since it is smaller than the sum of its proper divisors (22930600).

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

16488320 is an equidigital number, since it uses as much as digits as its factorization.

16488320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782 (or 25770 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 16488320 is about 4060.5812391824. The cubic root of 16488320 is about 254.5220831974.

The spelling of 16488320 in words is "sixteen million, four hundred eighty-eight thousand, three hundred twenty".