16213643441 has 8 divisors (see below), whose sum is σ = 16398324000. Its totient is φ = 16029018720.

The previous prime is 16213643417. The next prime is 16213643473. The reversal of 16213643441 is 14434631261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16213643441 - 2¹⁴ = 16213627057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16213640441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928610 + ... + 945908.

It is an arithmetic number, because the mean of its divisors is an integer number (2049790500).

Almost surely, 2^16213643441 is an apocalyptic number.

It is an amenable number.

16213643441 is a deficient number, since it is larger than the sum of its proper divisors (184680559).

16213643441 is a wasteful number, since it uses less digits than its factorization.

16213643441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27919.

The product of its digits is 41472, while the sum is 35.

The spelling of 16213643441 in words is "sixteen billion, two hundred thirteen million, six hundred forty-three thousand, four hundred forty-one".