16564047625016 has 128 divisors (see below), whose sum is σ = 36406087372800. Its totient is φ = 7011539159040.

The previous prime is 16564047625009. The next prime is 16564047625049. The reversal of 16564047625016 is 61052674046561.

16564047625016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2294741 + ... + 6196283.

It is an arithmetic number, because the mean of its divisors is an integer number (284422557600).

Almost surely, 2^{16564047625016} is an apocalyptic number.

It is an amenable number.

16564047625016 is an abundant number, since it is smaller than the sum of its proper divisors (19842039747784).

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

16564047625016 is a wasteful number, since it uses less digits than its factorization.

16564047625016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901669 (or 3901665 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 16564047625016 in words is "sixteen trillion, five hundred sixty-four billion, forty-seven million, six hundred twenty-five thousand, sixteen".