4163180813 has 24 divisors (see below), whose sum is σ = 4854830904. Its totient is φ = 3555031040.

The previous prime is 4163180807. The next prime is 4163180831. The reversal of 4163180813 is 3180813614.

It can be written as a sum of positive squares in 4 ways, for example, as 2436113449 + 1727067364 = 49357^2 + 41558^2 .

It is not a de Polignac number, because 4163180813 - 2²² = 4158986509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4163180843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1218095 + ... + 1221507.

It is an arithmetic number, because the mean of its divisors is an integer number (202284621).

Almost surely, 2^4163180813 is an apocalyptic number.

It is an amenable number.

4163180813 is a deficient number, since it is larger than the sum of its proper divisors (691650091).

4163180813 is a wasteful number, since it uses less digits than its factorization.

4163180813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 4163180813 is about 64522.7154806739. The cubic root of 4163180813 is about 1608.7001085168.

The spelling of 4163180813 in words is "four billion, one hundred sixty-three million, one hundred eighty thousand, eight hundred thirteen".