4161662273 has 2 divisors, whose sum is σ = 4161662274. Its totient is φ = 4161662272.

The previous prime is 4161662213. The next prime is 4161662311. The reversal of 4161662273 is 3722661614.

It is a happy number.

4161662273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (4161662311) can be obtained adding 4161662273 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3292120129 + 869542144 = 57377^2 + 29488^2 .

It is a cyclic number.

It is not a de Polignac number, because 4161662273 - 2¹² = 4161658177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4161662213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080831136 + 2080831137.

It is an arithmetic number, because the mean of its divisors is an integer number (2080831137).

Almost surely, 2^4161662273 is an apocalyptic number.

It is an amenable number.

4161662273 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161662273 is an equidigital number, since it uses as much as digits as its factorization.

4161662273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 4161662273 is about 64510.9469237586. The cubic root of 4161662273 is about 1608.5044910591.

The spelling of 4161662273 in words is "four billion, one hundred sixty-one million, six hundred sixty-two thousand, two hundred seventy-three".