16442024121321 has 16 divisors (see below), whose sum is σ = 22030128724800. Its totient is φ = 10907682072768.

The previous prime is 16442024121227. The next prime is 16442024121323. The reversal of 16442024121321 is 12312142024461.

It is not a de Polignac number, because 16442024121321 - 2¹⁴ = 16442024104937 is a prime.

It is a super-3 number, since 3×16442024121321³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16442024121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4567966 + ... + 7331463.

It is an arithmetic number, because the mean of its divisors is an integer number (1376883045300).

Almost surely, 2^{16442024121321} is an apocalyptic number.

It is an amenable number.

16442024121321 is a deficient number, since it is larger than the sum of its proper divisors (5588104603479).

16442024121321 is a wasteful number, since it uses less digits than its factorization.

16442024121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11901688.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 16442024121321 its reverse (12312142024461), we get a palindrome (28754166145782).

The spelling of 16442024121321 in words is "sixteen trillion, four hundred forty-two billion, twenty-four million, one hundred twenty-one thousand, three hundred twenty-one".