65160666161 has 8 divisors (see below), whose sum is σ = 66780497280. Its totient is φ = 63560710512.

The previous prime is 65160666139. The next prime is 65160666173. The reversal of 65160666161 is 16166606156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65160666161 - 2¹⁸ = 65160404017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65160666761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4962230 + ... + 4975343.

It is an arithmetic number, because the mean of its divisors is an integer number (8347562160).

Almost surely, 2^65160666161 is an apocalyptic number.

It is an amenable number.

65160666161 is a deficient number, since it is larger than the sum of its proper divisors (1619831119).

65160666161 is an equidigital number, since it uses as much as digits as its factorization.

65160666161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9937735.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 65160666161 in words is "sixty-five billion, one hundred sixty million, six hundred sixty-six thousand, one hundred sixty-one".