16328288 has 24 divisors (see below), whose sum is σ = 32237352. Its totient is φ = 8141056.

The previous prime is 16328287. The next prime is 16328311. The reversal of 16328288 is 88282361.

It is a super-2 number, since 2×16328288² = 533225978021888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16328287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19331 + ... + 20157.

It is an arithmetic number, because the mean of its divisors is an integer number (1343223).

Almost surely, 2^16328288 is an apocalyptic number.

It is an amenable number.

16328288 is a deficient number, since it is larger than the sum of its proper divisors (15909064).

16328288 is an equidigital number, since it uses as much as digits as its factorization.

16328288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1446 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 16328288 is about 4040.8276379969. The cubic root of 16328288 is about 253.6959595986.

The spelling of 16328288 in words is "sixteen million, three hundred twenty-eight thousand, two hundred eighty-eight".