43346336161 has 4 divisors (see below), whose sum is σ = 43484823172. Its totient is φ = 43207849152.

The previous prime is 43346336149. The next prime is 43346336197. The reversal of 43346336161 is 16163364334.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5338494225 + 38007841936 = 73065^2 + 194956^2 .

It is a cyclic number.

It is not a de Polignac number, because 43346336161 - 2⁹ = 43346335649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43346336101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69243036 + ... + 69243661.

It is an arithmetic number, because the mean of its divisors is an integer number (10871205793).

Almost surely, 2^43346336161 is an apocalyptic number.

It is an amenable number.

43346336161 is a deficient number, since it is larger than the sum of its proper divisors (138487011).

43346336161 is a wasteful number, since it uses less digits than its factorization.

43346336161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138487010.

The product of its digits is 279936, while the sum is 40.

The spelling of 43346336161 in words is "forty-three billion, three hundred forty-six million, three hundred thirty-six thousand, one hundred sixty-one".