16443413325512 has 16 divisors (see below), whose sum is σ = 30832555076700. Its totient is φ = 8221398638400.

The previous prime is 16443413325481. The next prime is 16443413325523. The reversal of 16443413325512 is 21552331434461.

It can be written as a sum of positive squares in 2 ways, for example, as 16418428465156 + 24984860356 = 4051966^2 + 158066^2 .

It is a super-3 number, since 3×16443413325512³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38276087 + ... + 38703302.

Almost surely, 2^{16443413325512} is an apocalyptic number.

It is an amenable number.

16443413325512 is a deficient number, since it is larger than the sum of its proper divisors (14389141751188).

16443413325512 is a wasteful number, since it uses less digits than its factorization.

16443413325512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77006096 (or 77006092 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

Adding to 16443413325512 its reverse (21552331434461), we get a palindrome (37995744759973).

The spelling of 16443413325512 in words is "sixteen trillion, four hundred forty-three billion, four hundred thirteen million, three hundred twenty-five thousand, five hundred twelve".