16510806068 has 6 divisors (see below), whose sum is σ = 28893910626. Its totient is φ = 8255403032.

The previous prime is 16510806043. The next prime is 16510806127. The reversal of 16510806068 is 86060801561.

It is a happy number.

16510806068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12762672784 + 3748133284 = 112972^2 + 61222^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2063850755 + ... + 2063850762.

It is an arithmetic number, because the mean of its divisors is an integer number (4815651771).

Almost surely, 2^16510806068 is an apocalyptic number.

It is an amenable number.

16510806068 is a deficient number, since it is larger than the sum of its proper divisors (12383104558).

16510806068 is a wasteful number, since it uses less digits than its factorization.

16510806068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127701521 (or 4127701519 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 16510806068 in words is "sixteen billion, five hundred ten million, eight hundred six thousand, sixty-eight".