65606117 has 4 divisors (see below), whose sum is σ = 65999136. Its totient is φ = 65213100.

The previous prime is 65606113. The next prime is 65606147. The reversal of 65606117 is 71160656.

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 65606117 - 2² = 65606113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65606113) 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, 196259 + ... + 196592.

It is an arithmetic number, because the mean of its divisors is an integer number (16499784).

Almost surely, 2^65606117 is an apocalyptic number.

It is an amenable number.

65606117 is a deficient number, since it is larger than the sum of its proper divisors (393019).

65606117 is a wasteful number, since it uses less digits than its factorization.

65606117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393018.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 65606117 is about 8099.7603050955. The cubic root of 65606117 is about 403.3184703370.

The spelling of 65606117 in words is "sixty-five million, six hundred six thousand, one hundred seventeen".