43116161 has 8 divisors (see below), whose sum is σ = 47396448. Its totient is φ = 38896000.

The previous prime is 43116113. The next prime is 43116163. The reversal of 43116161 is 16161134.

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

It is a de Polignac number, because none of the positive numbers 2^k-43116161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43116163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13520 + ... + 16401.

It is an arithmetic number, because the mean of its divisors is an integer number (5924556).

Almost surely, 2^43116161 is an apocalyptic number.

It is an amenable number.

43116161 is a deficient number, since it is larger than the sum of its proper divisors (4280287).

43116161 is a wasteful number, since it uses less digits than its factorization.

43116161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30063.

The product of its digits is 432, while the sum is 23.

The square root of 43116161 is about 6566.2897438356. The cubic root of 43116161 is about 350.6549938807.

Adding to 43116161 its reverse (16161134), we get a palindrome (59277295).

The spelling of 43116161 in words is "forty-three million, one hundred sixteen thousand, one hundred sixty-one".