43161516460771 has 2 divisors, whose sum is σ = 43161516460772. Its totient is φ = 43161516460770.

The previous prime is 43161516460739. The next prime is 43161516460787. The reversal of 43161516460771 is 17706461516134.

43161516460771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43161516460771 - 2⁵ = 43161516460739 is a prime.

It is a super-3 number, since 3×43161516460771³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (43161516461771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21580758230385 + 21580758230386.

It is an arithmetic number, because the mean of its divisors is an integer number (21580758230386).

Almost surely, 2^{43161516460771} is an apocalyptic number.

43161516460771 is a deficient number, since it is larger than the sum of its proper divisors (1).

43161516460771 is an equidigital number, since it uses as much as digits as its factorization.

43161516460771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 43161516460771 in words is "forty-three trillion, one hundred sixty-one billion, five hundred sixteen million, four hundred sixty thousand, seven hundred seventy-one".