969202161 has 24 divisors (see below), whose sum is σ = 1452081384. Its totient is φ = 622425600.

The previous prime is 969202159. The next prime is 969202177. The reversal of 969202161 is 161202969.

It can be written as a sum of positive squares in 4 ways, for example, as 849431025 + 119771136 = 29145^2 + 10944^2 .

It is not a de Polignac number, because 969202161 - 2¹ = 969202159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (969202061) 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 23 ways as a sum of consecutive naturals, for example, 19225 + ... + 48041.

It is an arithmetic number, because the mean of its divisors is an integer number (60503391).

Almost surely, 2^969202161 is an apocalyptic number.

It is an amenable number.

969202161 is a deficient number, since it is larger than the sum of its proper divisors (482879223).

969202161 is a wasteful number, since it uses less digits than its factorization.

969202161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28961 (or 28958 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 969202161 is about 31132.0118366931. The cubic root of 969202161 is about 989.6268229250.

The spelling of 969202161 in words is "nine hundred sixty-nine million, two hundred two thousand, one hundred sixty-one".