16543113440146 has 32 divisors (see below), whose sum is σ = 25914561473520. Its totient is φ = 7912572998400.

The previous prime is 16543113440129. The next prime is 16543113440173. The reversal of 16543113440146 is 64104431134561.

It can be written as a sum of positive squares in 8 ways, for example, as 2222648631025 + 14320464809121 = 1490855^2 + 3784239^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9434676 + ... + 11049856.

Almost surely, 2^{16543113440146} is an apocalyptic number.

16543113440146 is a deficient number, since it is larger than the sum of its proper divisors (9371448033374).

16543113440146 is a wasteful number, since it uses less digits than its factorization.

16543113440146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617550.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 16543113440146 in words is "sixteen trillion, five hundred forty-three billion, one hundred thirteen million, four hundred forty thousand, one hundred forty-six".