4161064591 has 2 divisors, whose sum is σ = 4161064592. Its totient is φ = 4161064590.

The previous prime is 4161064571. The next prime is 4161064637. The reversal of 4161064591 is 1954601614.

4161064591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4161064591 - 2²⁹ = 3624193679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4161064591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4161064571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080532295 + 2080532296.

It is an arithmetic number, because the mean of its divisors is an integer number (2080532296).

Almost surely, 2^4161064591 is an apocalyptic number.

4161064591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161064591 is an equidigital number, since it uses as much as digits as its factorization.

4161064591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 4161064591 is about 64506.3143498371. The cubic root of 4161064591 is about 1608.4274849539.

The spelling of 4161064591 in words is "four billion, one hundred sixty-one million, sixty-four thousand, five hundred ninety-one".