16638482 has 16 divisors (see below), whose sum is σ = 28992192. Its totient is φ = 7013520.

The previous prime is 16638473. The next prime is 16638487. The reversal of 16638482 is 28483661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16638487) 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 7 ways as a sum of consecutive naturals, for example, 8888 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (1812012).

Almost surely, 2^16638482 is an apocalyptic number.

16638482 is a deficient number, since it is larger than the sum of its proper divisors (12353710).

16638482 is a wasteful number, since it uses less digits than its factorization.

16638482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19553.

The product of its digits is 55296, while the sum is 38.

The square root of 16638482 is about 4079.0295414473. The cubic root of 16638482 is about 255.2924083838.

The spelling of 16638482 in words is "sixteen million, six hundred thirty-eight thousand, four hundred eighty-two".