16284736705 has 16 divisors (see below), whose sum is σ = 20492473680. Its totient is φ = 12406238208.

The previous prime is 16284736687. The next prime is 16284736711. The reversal of 16284736705 is 50763748261.

16284736705 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 8 ways, for example, as 46076944 + 16238659761 = 6788^2 + 127431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16284736705 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 758652 + ... + 779821.

It is an arithmetic number, because the mean of its divisors is an integer number (1280779605).

Almost surely, 2^16284736705 is an apocalyptic number.

It is an amenable number.

16284736705 is a deficient number, since it is larger than the sum of its proper divisors (4207736975).

16284736705 is a wasteful number, since it uses less digits than its factorization.

16284736705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538580.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 16284736705 in words is "sixteen billion, two hundred eighty-four million, seven hundred thirty-six thousand, seven hundred five".