4163624161 has 2 divisors, whose sum is σ = 4163624162. Its totient is φ = 4163624160.

The previous prime is 4163624141. The next prime is 4163624281. The reversal of 4163624161 is 1614263614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4153029136 + 10595025 = 64444^2 + 3255^2 .

It is a cyclic number.

It is not a de Polignac number, because 4163624161 - 2²¹ = 4161527009 is a prime.

It is not a weakly prime, because it can be changed into another prime (4163624111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081812080 + 2081812081.

It is an arithmetic number, because the mean of its divisors is an integer number (2081812081).

Almost surely, 2^4163624161 is an apocalyptic number.

It is an amenable number.

4163624161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4163624161 is an equidigital number, since it uses as much as digits as its factorization.

4163624161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 4163624161 is about 64526.1509854725. The cubic root of 4163624161 is about 1608.7572113821.

Adding to 4163624161 its reverse (1614263614), we get a palindrome (5777887775).

The spelling of 4163624161 in words is "four billion, one hundred sixty-three million, six hundred twenty-four thousand, one hundred sixty-one".