16606001728 has 14 divisors (see below), whose sum is σ = 32952534806. Its totient is φ = 8303000832.

The previous prime is 16606001717. The next prime is 16606001743. The reversal of 16606001728 is 82710060661.

It can be written as a sum of positive squares in only one way, i.e., 16591500864 + 14500864 = 128808^2 + 3808^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129734325 + ... + 129734452.

Almost surely, 2^16606001728 is an apocalyptic number.

It is an amenable number.

16606001728 is a deficient number, since it is larger than the sum of its proper divisors (16346533078).

16606001728 is an equidigital number, since it uses as much as digits as its factorization.

16606001728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259468789 (or 259468779 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 16606001728 in words is "sixteen billion, six hundred six million, one thousand, seven hundred twenty-eight".