65461161 has 16 divisors (see below), whose sum is σ = 88389504. Its totient is φ = 43090944.

The previous prime is 65461159. The next prime is 65461163. The reversal of 65461161 is 16116456.

It is an interprime number because it is at equal distance from previous prime (65461159) and next prime (65461163).

It is not a de Polignac number, because 65461161 - 2¹ = 65461159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65461163) 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 15 ways as a sum of consecutive naturals, for example, 96355 + ... + 97031.

It is an arithmetic number, because the mean of its divisors is an integer number (5524344).

Almost surely, 2^65461161 is an apocalyptic number.

It is an amenable number.

65461161 is a deficient number, since it is larger than the sum of its proper divisors (22928343).

65461161 is a wasteful number, since it uses less digits than its factorization.

65461161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its digits is 4320, while the sum is 30.

The square root of 65461161 is about 8090.8071908803. The cubic root of 65461161 is about 403.0212087100.

The spelling of 65461161 in words is "sixty-five million, four hundred sixty-one thousand, one hundred sixty-one".