16286820864 has 40 divisors (see below), whose sum is σ = 43389112800. Its totient is φ = 5428939776.

The previous prime is 16286820779. The next prime is 16286820943. The reversal of 16286820864 is 46802868261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300164 + ... + 5303235.

It is an arithmetic number, because the mean of its divisors is an integer number (1084727820).

Almost surely, 2^16286820864 is an apocalyptic number.

It is an amenable number.

16286820864 is an abundant number, since it is smaller than the sum of its proper divisors (27102291936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16286820864 is an equidigital number, since it uses as much as digits as its factorization.

16286820864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10603420 (or 10603404 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 16286820864 in words is "sixteen billion, two hundred eighty-six million, eight hundred twenty thousand, eight hundred sixty-four".