2166160043 has 8 divisors (see below), whose sum is σ = 2332456560. Its totient is φ = 2004183040.

The previous prime is 2166160039. The next prime is 2166160097. The reversal of 2166160043 is 3400616612.

It is a happy number.

2166160043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2166160043 - 2² = 2166160039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2166159988 and 2166160015.

It is not an unprimeable number, because it can be changed into a prime (2166160343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078838 + ... + 1080843.

It is an arithmetic number, because the mean of its divisors is an integer number (291557070).

Almost surely, 2^2166160043 is an apocalyptic number.

2166160043 is a deficient number, since it is larger than the sum of its proper divisors (166296517).

2166160043 is a wasteful number, since it uses less digits than its factorization.

2166160043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159757.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2166160043 is about 46542.0244832560. The cubic root of 2166160043 is about 1293.8884819971. Note that the first 3 decimals are identical.

Adding to 2166160043 its reverse (3400616612), we get a palindrome (5566776655).

The spelling of 2166160043 in words is "two billion, one hundred sixty-six million, one hundred sixty thousand, forty-three".