16644352250522 has 32 divisors (see below), whose sum is σ = 25157864827200. Its totient is φ = 8258557938048.

The previous prime is 16644352250497. The next prime is 16644352250527. The reversal of 16644352250522 is 22505225344661.

It is not an unprimeable number, because it can be changed into a prime (16644352250527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998357254 + ... + 1998365582.

It is an arithmetic number, because the mean of its divisors is an integer number (786183275850).

Almost surely, 2^{16644352250522} is an apocalyptic number.

16644352250522 is a deficient number, since it is larger than the sum of its proper divisors (8513512576678).

16644352250522 is a wasteful number, since it uses less digits than its factorization.

16644352250522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 16644352250522 in words is "sixteen trillion, six hundred forty-four billion, three hundred fifty-two million, two hundred fifty thousand, five hundred twenty-two".