16564047374704 has 40 divisors (see below), whose sum is σ = 32465897763840. Its totient is φ = 8186100631488.

The previous prime is 16564047374683. The next prime is 16564047374741. The reversal of 16564047374704 is 40747374046561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10161744 + ... + 11678575.

It is an arithmetic number, because the mean of its divisors is an integer number (811647444096).

Almost surely, 2^{16564047374704} is an apocalyptic number.

It is an amenable number.

16564047374704 is a deficient number, since it is larger than the sum of its proper divisors (15901850389136).

16564047374704 is a wasteful number, since it uses less digits than its factorization.

16564047374704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21840877 (or 21840871 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 58.

The spelling of 16564047374704 in words is "sixteen trillion, five hundred sixty-four billion, forty-seven million, three hundred seventy-four thousand, seven hundred four".