16287916265 has 32 divisors (see below), whose sum is σ = 20584005120. Its totient is φ = 12356006656.

The previous prime is 16287916247. The next prime is 16287916273. The reversal of 16287916265 is 56261978261.

It is a cyclic number.

It is not a de Polignac number, because 16287916265 - 2⁶ = 16287916201 is a prime.

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 in 31 ways as a sum of consecutive naturals, for example, 2078144 + ... + 2085966.

It is an arithmetic number, because the mean of its divisors is an integer number (643250160).

Almost surely, 2^16287916265 is an apocalyptic number.

It is an amenable number.

16287916265 is a deficient number, since it is larger than the sum of its proper divisors (4296088855).

16287916265 is a wasteful number, since it uses less digits than its factorization.

16287916265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its digits is 2177280, while the sum is 53.

The spelling of 16287916265 in words is "sixteen billion, two hundred eighty-seven million, nine hundred sixteen thousand, two hundred sixty-five".