4064513161 has 4 divisors (see below), whose sum is σ = 4064912452. Its totient is φ = 4064113872.

The previous prime is 4064513113. The next prime is 4064513177. The reversal of 4064513161 is 1613154604.

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 3742992400 + 321520761 = 61180^2 + 17931^2 .

It is a cyclic number.

It is not a de Polignac number, because 4064513161 - 2¹⁵ = 4064480393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4064513191) 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, 183966 + ... + 204871.

It is an arithmetic number, because the mean of its divisors is an integer number (1016228113).

Almost surely, 2^4064513161 is an apocalyptic number.

It is an amenable number.

4064513161 is a deficient number, since it is larger than the sum of its proper divisors (399291).

4064513161 is a wasteful number, since it uses less digits than its factorization.

4064513161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399290.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4064513161 is about 63753.5344980967. The cubic root of 4064513161 is about 1595.8896005999.

Adding to 4064513161 its reverse (1613154604), we get a palindrome (5677667765).

The spelling of 4064513161 in words is "four billion, sixty-four million, five hundred thirteen thousand, one hundred sixty-one".