9429112161 has 24 divisors (see below), whose sum is σ = 15602535104. Its totient is φ = 5375250720.

The previous prime is 9429112157. The next prime is 9429112183. The reversal of 9429112161 is 1612119249.

It is a happy number.

9429112161 is a `hidden beast` number, since 9 + 429 + 11 + 216 + 1 = 666.

It is not a de Polignac number, because 9429112161 - 2² = 9429112157 is a prime.

It is a super-2 number, since 2×9429112161² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9429112141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151231 + ... + 204276.

Almost surely, 2^9429112161 is an apocalyptic number.

It is an amenable number.

9429112161 is a deficient number, since it is larger than the sum of its proper divisors (6173422943).

9429112161 is a wasteful number, since it uses less digits than its factorization.

9429112161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355941 (or 355938 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 9429112161 is about 97103.6155917997. The cubic root of 9429112161 is about 2112.6307684931.

The spelling of 9429112161 in words is "nine billion, four hundred twenty-nine million, one hundred twelve thousand, one hundred sixty-one".