65827161 has 10 divisors (see below), whose sum is σ = 98334522. Its totient is φ = 43884720.

The previous prime is 65827141. The next prime is 65827183. The reversal of 65827161 is 16172856.

65827161 is a `hidden beast` number, since 6 + 582 + 71 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 16040025 = 7056^2 + 4005^2 .

It is not a de Polignac number, because 65827161 - 2¹³ = 65818969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65827121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 406260 + ... + 406421.

Almost surely, 2^65827161 is an apocalyptic number.

It is an amenable number.

65827161 is a deficient number, since it is larger than the sum of its proper divisors (32507361).

65827161 is an equidigital number, since it uses as much as digits as its factorization.

65827161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812693 (or 812684 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 65827161 is about 8113.3939260953. The cubic root of 65827161 is about 403.7709240339.

The spelling of 65827161 in words is "sixty-five million, eight hundred twenty-seven thousand, one hundred sixty-one".