7065210161 has 2 divisors, whose sum is σ = 7065210162. Its totient is φ = 7065210160.

The previous prime is 7065210157. The next prime is 7065210197. The reversal of 7065210161 is 1610125607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6813511936 + 251698225 = 82544^2 + 15865^2 .

It is a cyclic number.

It is not a de Polignac number, because 7065210161 - 2² = 7065210157 is a prime.

It is not a weakly prime, because it can be changed into another prime (7065210461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3532605080 + 3532605081.

It is an arithmetic number, because the mean of its divisors is an integer number (3532605081).

Almost surely, 2^7065210161 is an apocalyptic number.

It is an amenable number.

7065210161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7065210161 is an equidigital number, since it uses as much as digits as its factorization.

7065210161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 7065210161 is about 84054.8045087251. The cubic root of 7065210161 is about 1918.8529535579.

Adding to 7065210161 its reverse (1610125607), we get a palindrome (8675335768).

The spelling of 7065210161 in words is "seven billion, sixty-five million, two hundred ten thousand, one hundred sixty-one".