16564047347016 has 48 divisors (see below), whose sum is σ = 48311804764860. Its totient is φ = 5096629952640.

The previous prime is 16564047346999. The next prime is 16564047347041. The reversal of 16564047347016 is 61074374046561.

16564047347016 is a `hidden beast` number, since 1 + 6 + 56 + 40 + 4 + 73 + 470 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16563516228900 + 531118116 = 4069830^2 + 23046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8848314955 + ... + 8848316826.

Almost surely, 2^{16564047347016} is an apocalyptic number.

It is an amenable number.

16564047347016 is an abundant number, since it is smaller than the sum of its proper divisors (31747757417844).

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

16564047347016 is a wasteful number, since it uses less digits than its factorization.

16564047347016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696631806 (or 17696631799 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 16564047347016 in words is "sixteen trillion, five hundred sixty-four billion, forty-seven million, three hundred forty-seven thousand, sixteen".