20160543459 has 16 divisors (see below), whose sum is σ = 30941845760. Its totient is φ = 11437428960.

The previous prime is 20160543433. The next prime is 20160543479. The reversal of 20160543459 is 95434506102.

It is not a de Polignac number, because 20160543459 - 2⁷ = 20160543331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20160543419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3450412 + ... + 3456249.

It is an arithmetic number, because the mean of its divisors is an integer number (1933865360).

Almost surely, 2^20160543459 is an apocalyptic number.

20160543459 is a deficient number, since it is larger than the sum of its proper divisors (10781302301).

20160543459 is a wasteful number, since it uses less digits than its factorization.

20160543459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906810.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 20160543459 in words is "twenty billion, one hundred sixty million, five hundred forty-three thousand, four hundred fifty-nine".