16565436470364 has 12 divisors (see below), whose sum is σ = 38652685097544. Its totient is φ = 5521812156784.

The previous prime is 16565436470339. The next prime is 16565436470381. The reversal of 16565436470364 is 46307463456561.

It is a happy number.

16565436470364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16565436470298 and 16565436470307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690226519587 + ... + 690226519610.

It is an arithmetic number, because the mean of its divisors is an integer number (3221057091462).

Almost surely, 2^{16565436470364} is an apocalyptic number.

It is an amenable number.

16565436470364 is an abundant number, since it is smaller than the sum of its proper divisors (22087248627180).

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

16565436470364 is a wasteful number, since it uses less digits than its factorization.

16565436470364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380453039204 (or 1380453039202 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 60.

The spelling of 16565436470364 in words is "sixteen trillion, five hundred sixty-five billion, four hundred thirty-six million, four hundred seventy thousand, three hundred sixty-four".