16288641 has 8 divisors (see below), whose sum is σ = 24131360. Its totient is φ = 10859076.

The previous prime is 16288637. The next prime is 16288651. The reversal of 16288641 is 14688261.

16288641 is a `hidden beast` number, since 1 + 6 + 2 + 8 + 8 + 641 = 666.

It is not a de Polignac number, because 16288641 - 2² = 16288637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16288596 and 16288605.

It is not an unprimeable number, because it can be changed into a prime (16288651) 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 7 ways as a sum of consecutive naturals, for example, 301615 + ... + 301668.

It is an arithmetic number, because the mean of its divisors is an integer number (3016420).

Almost surely, 2^16288641 is an apocalyptic number.

It is an amenable number.

16288641 is a deficient number, since it is larger than the sum of its proper divisors (7842719).

16288641 is an equidigital number, since it uses as much as digits as its factorization.

16288641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603292 (or 603286 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 16288641 is about 4035.9188544865. The cubic root of 16288641 is about 253.4904586584.

The spelling of 16288641 in words is "sixteen million, two hundred eighty-eight thousand, six hundred forty-one".