16944049179226 has 16 divisors (see below), whose sum is σ = 27371405565000. Its totient is φ = 7820259190848.

The previous prime is 16944049179191. The next prime is 16944049179227. The reversal of 16944049179226 is 62297194044961.

It is a Cunningham number, because it is equal to 4116315²+1.

16944049179226 is a nontrivial binomial coefficient, being equal to C(5821349, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 2506519073601 + 14437530105625 = 1583199^2 + 3799675^2 .

It is not an unprimeable number, because it can be changed into a prime (16944049179227) 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, 1 + ... + 5821348.

Almost surely, 2^{16944049179226} is an apocalyptic number.

16944049179226 is the 5821348-th triangular number.

16944049179226 is the 1940450-th centered nonagonal number.

16944049179226 is a deficient number, since it is larger than the sum of its proper divisors (10427356385774).

16944049179226 is a wasteful number, since it uses less digits than its factorization.

16944049179226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933313.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 16944049179226 in words is "sixteen trillion, nine hundred forty-four billion, forty-nine million, one hundred seventy-nine thousand, two hundred twenty-six".