9708161090 has 16 divisors (see below), whose sum is σ = 17629335288. Its totient is φ = 3848898816.

The previous prime is 9708161081. The next prime is 9708161161. The reversal of 9708161090 is 901618079.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3422367001 + 6285794089 = 58501^2 + 79283^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4294517 + ... + 4296776.

Almost surely, 2^9708161090 is an apocalyptic number.

9708161090 is a deficient number, since it is larger than the sum of its proper divisors (7921174198).

9708161090 is a wasteful number, since it uses less digits than its factorization.

9708161090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8591413.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 9708161090 is about 98530.0009641733. Note that the first 3 decimals coincide. The cubic root of 9708161090 is about 2133.2691751267.

The spelling of 9708161090 in words is "nine billion, seven hundred eight million, one hundred sixty-one thousand, ninety".