16564116007244 has 48 divisors (see below), whose sum is σ = 33081950498688. Its totient is φ = 7189031190528.

The previous prime is 16564116007223. The next prime is 16564116007273. The reversal of 16564116007244 is 44270061146561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7106372 + ... + 9144875.

It is an arithmetic number, because the mean of its divisors is an integer number (689207302056).

Almost surely, 2^{16564116007244} is an apocalyptic number.

It is an amenable number.

16564116007244 is a deficient number, since it is larger than the sum of its proper divisors (16517834491444).

16564116007244 is a wasteful number, since it uses less digits than its factorization.

16564116007244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252434 (or 16252432 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 16564116007244 in words is "sixteen trillion, five hundred sixty-four billion, one hundred sixteen million, seven thousand, two hundred forty-four".