16543049 has 16 divisors (see below), whose sum is σ = 18071424. Its totient is φ = 15100800.

The previous prime is 16543027. The next prime is 16543063. The reversal of 16543049 is 94034561.

It is a cyclic number.

It is not a de Polignac number, because 16543049 - 2⁸ = 16542793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16543019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49814 + ... + 50144.

It is an arithmetic number, because the mean of its divisors is an integer number (1129464).

Almost surely, 2^16543049 is an apocalyptic number.

It is an amenable number.

16543049 is a deficient number, since it is larger than the sum of its proper divisors (1528375).

16543049 is a wasteful number, since it uses less digits than its factorization.

16543049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 16543049 is about 4067.3147161241. The cubic root of 16543049 is about 254.8033804089.

The spelling of 16543049 in words is "sixteen million, five hundred forty-three thousand, forty-nine".