9170910961 has 4 divisors (see below), whose sum is σ = 9487149300. Its totient is φ = 8854672624.

The previous prime is 9170910907. The next prime is 9170910977. The reversal of 9170910961 is 1690190719.

It is a happy number.

9170910961 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2367795600 + 6803115361 = 48660^2 + 82481^2 .

It is a cyclic number.

It is not a de Polignac number, because 9170910961 - 2¹¹ = 9170908913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9170910061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158119126 + ... + 158119183.

It is an arithmetic number, because the mean of its divisors is an integer number (2371787325).

Almost surely, 2^9170910961 is an apocalyptic number.

It is an amenable number.

9170910961 is a deficient number, since it is larger than the sum of its proper divisors (316238339).

9170910961 is a wasteful number, since it uses less digits than its factorization.

9170910961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316238338.

The product of its (nonzero) digits is 30618, while the sum is 43.

The square root of 9170910961 is about 95764.8733148016. The cubic root of 9170910961 is about 2093.1683484221.

The spelling of 9170910961 in words is "nine billion, one hundred seventy million, nine hundred ten thousand, nine hundred sixty-one".