16644222630708 has 24 divisors (see below), whose sum is σ = 39886155134112. Its totient is φ = 5398126258464.

The previous prime is 16644222630691. The next prime is 16644222630751. The reversal of 16644222630708 is 80703622244661.

It is a super-2 number, since 2×16644222630708² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18743493510 + ... + 18743494397.

It is an arithmetic number, because the mean of its divisors is an integer number (1661923130588).

Almost surely, 2^{16644222630708} is an apocalyptic number.

It is an amenable number.

16644222630708 is an abundant number, since it is smaller than the sum of its proper divisors (23241932503404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16644222630708 is a wasteful number, since it uses less digits than its factorization.

16644222630708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37486987951 (or 37486987949 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 16644222630708 in words is "sixteen trillion, six hundred forty-four billion, two hundred twenty-two million, six hundred thirty thousand, seven hundred eight".