7161346261 has 2 divisors, whose sum is σ = 7161346262. Its totient is φ = 7161346260.

The previous prime is 7161346207. The next prime is 7161346277. The reversal of 7161346261 is 1626431617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6003305361 + 1158040900 = 77481^2 + 34030^2 .

It is a cyclic number.

It is not a de Polignac number, because 7161346261 - 2⁷ = 7161346133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7161346261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7161343261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580673130 + 3580673131.

It is an arithmetic number, because the mean of its divisors is an integer number (3580673131).

Almost surely, 2^7161346261 is an apocalyptic number.

It is an amenable number.

7161346261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7161346261 is an equidigital number, since it uses as much as digits as its factorization.

7161346261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 7161346261 is about 84624.7378784714. The cubic root of 7161346261 is about 1927.5170322435.

Adding to 7161346261 its reverse (1626431617), we get a palindrome (8787777878).

The spelling of 7161346261 in words is "seven billion, one hundred sixty-one million, three hundred forty-six thousand, two hundred sixty-one".