7266006161 has 2 divisors, whose sum is σ = 7266006162. Its totient is φ = 7266006160.

The previous prime is 7266006157. The next prime is 7266006203. The reversal of 7266006161 is 1616006627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3715633936 + 3550372225 = 60956^2 + 59585^2 .

It is an emirp because it is prime and its reverse (1616006627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7266006161 - 2² = 7266006157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7266006661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633003080 + 3633003081.

It is an arithmetic number, because the mean of its divisors is an integer number (3633003081).

Almost surely, 2^7266006161 is an apocalyptic number.

It is an amenable number.

7266006161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266006161 is an equidigital number, since it uses as much as digits as its factorization.

7266006161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7266006161 is about 85240.8714232791. The cubic root of 7266006161 is about 1936.8615923784.

The spelling of 7266006161 in words is "seven billion, two hundred sixty-six million, six thousand, one hundred sixty-one".