2072417161 has 2 divisors, whose sum is σ = 2072417162. Its totient is φ = 2072417160.

The previous prime is 2072417159. The next prime is 2072417197. The reversal of 2072417161 is 1617142702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168272400 + 904144761 = 34180^2 + 30069^2 .

It is a cyclic number.

It is not a de Polignac number, because 2072417161 - 2¹ = 2072417159 is a prime.

Together with 2072417159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2072417261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036208580 + 1036208581.

It is an arithmetic number, because the mean of its divisors is an integer number (1036208581).

Almost surely, 2^2072417161 is an apocalyptic number.

It is an amenable number.

2072417161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072417161 is an equidigital number, since it uses as much as digits as its factorization.

2072417161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 2072417161 is about 45523.8087268629. The cubic root of 2072417161 is about 1274.9477689228.

Adding to 2072417161 its reverse (1617142702), we get a palindrome (3689559863).

The spelling of 2072417161 in words is "two billion, seventy-two million, four hundred seventeen thousand, one hundred sixty-one".