65679161 has 2 divisors, whose sum is σ = 65679162. Its totient is φ = 65679160.

The previous prime is 65679151. The next prime is 65679167. The reversal of 65679161 is 16197656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37589161 + 28090000 = 6131^2 + 5300^2 .

It is a cyclic number.

It is not a de Polignac number, because 65679161 - 2¹⁴ = 65662777 is a prime.

It is not a weakly prime, because it can be changed into another prime (65679167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32839580 + 32839581.

It is an arithmetic number, because the mean of its divisors is an integer number (32839581).

Almost surely, 2^65679161 is an apocalyptic number.

It is an amenable number.

65679161 is a deficient number, since it is larger than the sum of its proper divisors (1).

65679161 is an equidigital number, since it uses as much as digits as its factorization.

65679161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 65679161 is about 8104.2680730588. The cubic root of 65679161 is about 403.4680959570.

The spelling of 65679161 in words is "sixty-five million, six hundred seventy-nine thousand, one hundred sixty-one".