4046540161 has 8 divisors (see below), whose sum is σ = 4122809064. Its totient is φ = 3970834560.

The previous prime is 4046540123. The next prime is 4046540177. The reversal of 4046540161 is 1610456404.

It can be written as a sum of positive squares in 4 ways, for example, as 1027587136 + 3018953025 = 32056^2 + 54945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4046540161 - 2⁷ = 4046540033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4046540191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126310 + ... + 155071.

It is an arithmetic number, because the mean of its divisors is an integer number (515351133).

Almost surely, 2^4046540161 is an apocalyptic number.

It is an amenable number.

4046540161 is a deficient number, since it is larger than the sum of its proper divisors (76268903).

4046540161 is a wasteful number, since it uses less digits than its factorization.

4046540161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281651.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4046540161 is about 63612.4214363830. The cubic root of 4046540161 is about 1593.5338198213.

Adding to 4046540161 its reverse (1610456404), we get a palindrome (5656996565).

The spelling of 4046540161 in words is "four billion, forty-six million, five hundred forty thousand, one hundred sixty-one".