16641764 has 12 divisors (see below), whose sum is σ = 29186304. Its totient is φ = 8302824.

The previous prime is 16641763. The next prime is 16641767. The reversal of 16641764 is 46714661.

It is not an unprimeable number, because it can be changed into a prime (16641763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324 + ... + 6219.

It is an arithmetic number, because the mean of its divisors is an integer number (2432192).

Almost surely, 2^16641764 is an apocalyptic number.

It is an amenable number.

16641764 is a deficient number, since it is larger than the sum of its proper divisors (12544540).

16641764 is a wasteful number, since it uses less digits than its factorization.

16641764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034 (or 9032 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 16641764 is about 4079.4318231832. The cubic root of 16641764 is about 255.3091930600.

The spelling of 16641764 in words is "sixteen million, six hundred forty-one thousand, seven hundred sixty-four".