65116601 has 4 divisors (see below), whose sum is σ = 71036304. Its totient is φ = 59196900.

The previous prime is 65116567. The next prime is 65116609. The reversal of 65116601 is 10661156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65116601 - 2¹⁰ = 65115577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65116609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959835 + ... + 2959856.

It is an arithmetic number, because the mean of its divisors is an integer number (17759076).

Almost surely, 2^65116601 is an apocalyptic number.

It is an amenable number.

65116601 is a deficient number, since it is larger than the sum of its proper divisors (5919703).

65116601 is a wasteful number, since it uses less digits than its factorization.

65116601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919702.

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

The square root of 65116601 is about 8069.4857952660. The cubic root of 65116601 is about 402.3128530846.

Adding to 65116601 its reverse (10661156), we get a palindrome (75777757).

Subtracting from 65116601 its reverse (10661156), we obtain a palindrome (54455445).

The spelling of 65116601 in words is "sixty-five million, one hundred sixteen thousand, six hundred one".