16641608 has 8 divisors (see below), whose sum is σ = 31203030. Its totient is φ = 8320800.

The previous prime is 16641577. The next prime is 16641617. The reversal of 16641608 is 80614661.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16176484 + 465124 = 4022^2 + 682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040093 + ... + 1040108.

Almost surely, 2^16641608 is an apocalyptic number.

It is an amenable number.

16641608 is a deficient number, since it is larger than the sum of its proper divisors (14561422).

16641608 is a wasteful number, since it uses less digits than its factorization.

16641608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080207 (or 2080203 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 16641608 is about 4079.4127028287. The cubic root of 16641608 is about 255.3083953008.

The spelling of 16641608 in words is "sixteen million, six hundred forty-one thousand, six hundred eight".