16504045043 has 32 divisors (see below), whose sum is σ = 18321811200. Its totient is φ = 14802149376.

The previous prime is 16504045001. The next prime is 16504045067. The reversal of 16504045043 is 34054040561.

It is not a de Polignac number, because 16504045043 - 2¹⁴ = 16504028659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16504045073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5993555 + ... + 5996307.

It is an arithmetic number, because the mean of its divisors is an integer number (572556600).

Almost surely, 2^16504045043 is an apocalyptic number.

16504045043 is a deficient number, since it is larger than the sum of its proper divisors (1817766157).

16504045043 is a wasteful number, since it uses less digits than its factorization.

16504045043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 16504045043 in words is "sixteen billion, five hundred four million, forty-five thousand, forty-three".