16485729213844 has 24 divisors (see below), whose sum is σ = 31512244867488. Its totient is φ = 7484111113440.

The previous prime is 16485729213817. The next prime is 16485729213859. The reversal of 16485729213844 is 44831292758461.

It is a happy number.

16485729213844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 235018674 + ... + 235088809.

It is an arithmetic number, because the mean of its divisors is an integer number (1313010202812).

Almost surely, 2^{16485729213844} is an apocalyptic number.

It is an amenable number.

16485729213844 is a deficient number, since it is larger than the sum of its proper divisors (15026515653644).

16485729213844 is a wasteful number, since it uses less digits than its factorization.

16485729213844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470108295 (or 470108293 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 64.

The spelling of 16485729213844 in words is "sixteen trillion, four hundred eighty-five billion, seven hundred twenty-nine million, two hundred thirteen thousand, eight hundred forty-four".