2016091543 has 4 divisors (see below), whose sum is σ = 2023266528. Its totient is φ = 2008916560.

The previous prime is 2016091477. The next prime is 2016091607. The reversal of 2016091543 is 3451906102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2016091543 is a prime.

It is a super-2 number, since 2×2016091543² = 8129250219512241698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016094543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587071 + ... + 3587632.

It is an arithmetic number, because the mean of its divisors is an integer number (505816632).

Almost surely, 2^2016091543 is an apocalyptic number.

2016091543 is a deficient number, since it is larger than the sum of its proper divisors (7174985).

2016091543 is an equidigital number, since it uses as much as digits as its factorization.

2016091543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174984.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2016091543 is about 44900.9080420430. The cubic root of 2016091543 is about 1263.2910402242.

Adding to 2016091543 its reverse (3451906102), we get a palindrome (5467997645).

The spelling of 2016091543 in words is "two billion, sixteen million, ninety-one thousand, five hundred forty-three".