7122269161 has 16 divisors (see below), whose sum is σ = 8308137600. Its totient is φ = 5978913408.

The previous prime is 7122269137. The next prime is 7122269173. The reversal of 7122269161 is 1619622217.

It is a cyclic number.

It is not a de Polignac number, because 7122269161 - 2²⁵ = 7088714729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7122269161.

It is not an unprimeable number, because it can be changed into a prime (7122269101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194230 + ... + 227968.

It is an arithmetic number, because the mean of its divisors is an integer number (519258600).

Almost surely, 2^7122269161 is an apocalyptic number.

It is an amenable number.

7122269161 is a deficient number, since it is larger than the sum of its proper divisors (1185868439).

7122269161 is a wasteful number, since it uses less digits than its factorization.

7122269161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34368.

The product of its digits is 18144, while the sum is 37.

The square root of 7122269161 is about 84393.5374362279. The cubic root of 7122269161 is about 1924.0046947621.

The spelling of 7122269161 in words is "seven billion, one hundred twenty-two million, two hundred sixty-nine thousand, one hundred sixty-one".