16443423234675 has 72 divisors (see below), whose sum is σ = 31185449311536. Its totient is φ = 8253694033920.

The previous prime is 16443423234643. The next prime is 16443423234691. The reversal of 16443423234675 is 57643232434461.

16443423234675 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 342 + 3 + 234 + 67 + 5 = 666.

It is not a de Polignac number, because 16443423234675 - 2⁵ = 16443423234643 is a prime.

It is a super-3 number, since 3×16443423234675³ (a number of 41 digits) contains 333 as substring.

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 71 ways as a sum of consecutive naturals, for example, 195556992 + ... + 195641058.

It is an arithmetic number, because the mean of its divisors is an integer number (433131240438).

Almost surely, 2^{16443423234675} is an apocalyptic number.

16443423234675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16443423234675 is a deficient number, since it is larger than the sum of its proper divisors (14742026076861).

16443423234675 is a wasteful number, since it uses less digits than its factorization.

16443423234675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135237 (or 135229 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 54.

The spelling of 16443423234675 in words is "sixteen trillion, four hundred forty-three billion, four hundred twenty-three million, two hundred thirty-four thousand, six hundred seventy-five".