16564105760312 has 32 divisors (see below), whose sum is σ = 33885737046000. Its totient is φ = 7528114176000.

The previous prime is 16564105760311. The next prime is 16564105760327. The reversal of 16564105760312 is 21306750146561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16564105760311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12159689 + ... + 13453112.

Almost surely, 2^{16564105760312} is an apocalyptic number.

It is an amenable number.

16564105760312 is an abundant number, since it is smaller than the sum of its proper divisors (17321631285688).

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

16564105760312 is a wasteful number, since it uses less digits than its factorization.

16564105760312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25620167 (or 25620163 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 16564105760312 in words is "sixteen trillion, five hundred sixty-four billion, one hundred five million, seven hundred sixty thousand, three hundred twelve".