13216985446 has 16 divisors (see below), whose sum is σ = 22675860000. Its totient is φ = 5659879680.

The previous prime is 13216985417. The next prime is 13216985491. The reversal of 13216985446 is 64458961231.

13216985446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13216985446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360445 + ... + 395416.

It is an arithmetic number, because the mean of its divisors is an integer number (1417241250).

Almost surely, 2^13216985446 is an apocalyptic number.

13216985446 is a deficient number, since it is larger than the sum of its proper divisors (9458874554).

13216985446 is a wasteful number, since it uses less digits than its factorization.

13216985446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757119.

The product of its digits is 1244160, while the sum is 49.

The spelling of 13216985446 in words is "thirteen billion, two hundred sixteen million, nine hundred eighty-five thousand, four hundred forty-six".