16608305128 has 8 divisors (see below), whose sum is σ = 31140572130. Its totient is φ = 8304152560.

The previous prime is 16608305101. The next prime is 16608305167. The reversal of 16608305128 is 82150380661.

It can be written as a sum of positive squares in only one way, i.e., 14534231364 + 2074073764 = 120558^2 + 45542^2 .

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, 1038019063 + ... + 1038019078.

Almost surely, 2^16608305128 is an apocalyptic number.

It is an amenable number.

16608305128 is a deficient number, since it is larger than the sum of its proper divisors (14532267002).

16608305128 is a wasteful number, since it uses less digits than its factorization.

16608305128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076038147 (or 2076038143 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

Adding to 16608305128 its reverse (82150380661), we get a palindrome (98758685789).

The spelling of 16608305128 in words is "sixteen billion, six hundred eight million, three hundred five thousand, one hundred twenty-eight".