16220322643213 has 8 divisors (see below), whose sum is σ = 17468504982656. Its totient is φ = 14972206762800.

The previous prime is 16220322643199. The next prime is 16220322643219. The reversal of 16220322643213 is 31234622302261.

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 16220322643213 - 2⁹ = 16220322642701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220322643219) 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, 16107273 + ... + 17084638.

It is an arithmetic number, because the mean of its divisors is an integer number (2183563122832).

Almost surely, 2^{16220322643213} is an apocalyptic number.

16220322643213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16220322643213 is a deficient number, since it is larger than the sum of its proper divisors (1248182339443).

16220322643213 is a wasteful number, since it uses less digits than its factorization.

16220322643213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33229515.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 16220322643213 its reverse (31234622302261), we get a palindrome (47454944945474).

The spelling of 16220322643213 in words is "sixteen trillion, two hundred twenty billion, three hundred twenty-two million, six hundred forty-three thousand, two hundred thirteen".