16551224121322 has 16 divisors (see below), whose sum is σ = 27084076088544. Its totient is φ = 7523212914000.

The previous prime is 16551224121319. The next prime is 16551224121329. The reversal of 16551224121322 is 22312142215561.

It is not an unprimeable number, because it can be changed into a prime (16551224121329) 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, 1110204 + ... + 5859607.

It is an arithmetic number, because the mean of its divisors is an integer number (1692754755534).

Almost surely, 2^{16551224121322} is an apocalyptic number.

16551224121322 is a deficient number, since it is larger than the sum of its proper divisors (10532851967222).

16551224121322 is a wasteful number, since it uses less digits than its factorization.

16551224121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7077765.

The product of its digits is 57600, while the sum is 37.

Adding to 16551224121322 its reverse (22312142215561), we get a palindrome (38863366336883).

The spelling of 16551224121322 in words is "sixteen trillion, five hundred fifty-one billion, two hundred twenty-four million, one hundred twenty-one thousand, three hundred twenty-two".