4160565457 has 2 divisors, whose sum is σ = 4160565458. Its totient is φ = 4160565456.

The previous prime is 4160565407. The next prime is 4160565509. The reversal of 4160565457 is 7545650614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2156302096 + 2004263361 = 46436^2 + 44769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4160565457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4160565407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080282728 + 2080282729.

It is an arithmetic number, because the mean of its divisors is an integer number (2080282729).

Almost surely, 2^4160565457 is an apocalyptic number.

It is an amenable number.

4160565457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4160565457 is an equidigital number, since it uses as much as digits as its factorization.

4160565457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 4160565457 is about 64502.4453567460. The cubic root of 4160565457 is about 1608.3631702472.

The spelling of 4160565457 in words is "four billion, one hundred sixty million, five hundred sixty-five thousand, four hundred fifty-seven".