65601161 has 8 divisors (see below), whose sum is σ = 67953600. Its totient is φ = 63254800.

The previous prime is 65601157. The next prime is 65601191. The reversal of 65601161 is 16110656.

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

It is not a de Polignac number, because 65601161 - 2² = 65601157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65601161.

It is not an unprimeable number, because it can be changed into a prime (65601131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41300 + ... + 42858.

It is an arithmetic number, because the mean of its divisors is an integer number (8494200).

Almost surely, 2^65601161 is an apocalyptic number.

It is an amenable number.

65601161 is a deficient number, since it is larger than the sum of its proper divisors (2352439).

65601161 is a wasteful number, since it uses less digits than its factorization.

65601161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 65601161 is about 8099.4543643384. The cubic root of 65601161 is about 403.3083142887.

The spelling of 65601161 in words is "sixty-five million, six hundred one thousand, one hundred sixty-one".