16585643744013 has 16 divisors (see below), whose sum is σ = 23418351550656. Its totient is φ = 10405200610560.

The previous prime is 16585643743969. The next prime is 16585643744041. The reversal of 16585643744013 is 31044734658561.

It is not a de Polignac number, because 16585643744013 - 2¹⁰ = 16585643742989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16585643744213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22728178 + ... + 23446563.

It is an arithmetic number, because the mean of its divisors is an integer number (1463646971916).

Almost surely, 2^{16585643744013} is an apocalyptic number.

It is an amenable number.

16585643744013 is a deficient number, since it is larger than the sum of its proper divisors (6832707806643).

16585643744013 is a wasteful number, since it uses less digits than its factorization.

16585643744013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46181804.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 16585643744013 in words is "sixteen trillion, five hundred eighty-five billion, six hundred forty-three million, seven hundred forty-four thousand, thirteen".