16214218405 has 48 divisors (see below), whose sum is σ = 24499238400. Its totient is φ = 10083870720.

The previous prime is 16214218387. The next prime is 16214218429. The reversal of 16214218405 is 50481241261.

It is not a de Polignac number, because 16214218405 - 2¹⁹ = 16213694117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1897252 + ... + 1905778.

It is an arithmetic number, because the mean of its divisors is an integer number (510400800).

Almost surely, 2^16214218405 is an apocalyptic number.

It is an amenable number.

16214218405 is a deficient number, since it is larger than the sum of its proper divisors (8285019995).

16214218405 is a wasteful number, since it uses less digits than its factorization.

16214218405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9010 (or 8999 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

Adding to 16214218405 its reverse (50481241261), we get a palindrome (66695459666).

The spelling of 16214218405 in words is "sixteen billion, two hundred fourteen million, two hundred eighteen thousand, four hundred five".