7117226161 has 4 divisors (see below), whose sum is σ = 7123531300. Its totient is φ = 7110921024.

The previous prime is 7117226153. The next prime is 7117226189. The reversal of 7117226161 is 1616227117.

7117226161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1616227117 = 47 ⋅34387811.

It can be written as a sum of positive squares in 2 ways, for example, as 1854594225 + 5262631936 = 43065^2 + 72544^2 .

It is a cyclic number.

It is not a de Polignac number, because 7117226161 - 2³ = 7117226153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7117226111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3150876 + ... + 3153133.

It is an arithmetic number, because the mean of its divisors is an integer number (1780882825).

Almost surely, 2^7117226161 is an apocalyptic number.

It is an amenable number.

7117226161 is a deficient number, since it is larger than the sum of its proper divisors (6305139).

7117226161 is a wasteful number, since it uses less digits than its factorization.

7117226161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6305138.

The product of its digits is 7056, while the sum is 34.

The square root of 7117226161 is about 84363.6542653292. The cubic root of 7117226161 is about 1923.5504834050.

The spelling of 7117226161 in words is "seven billion, one hundred seventeen million, two hundred twenty-six thousand, one hundred sixty-one".