65916717 has 8 divisors (see below), whose sum is σ = 87932160. Its totient is φ = 43922880.

The previous prime is 65916713. The next prime is 65916733. The reversal of 65916717 is 71761956.

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

It is not a de Polignac number, because 65916717 - 2² = 65916713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65916713) 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, 4117 + ... + 12197.

It is an arithmetic number, because the mean of its divisors is an integer number (10991520).

Almost surely, 2^65916717 is an apocalyptic number.

It is an amenable number.

65916717 is a deficient number, since it is larger than the sum of its proper divisors (22015443).

65916717 is a wasteful number, since it uses less digits than its factorization.

65916717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10803.

The product of its digits is 79380, while the sum is 42.

The square root of 65916717 is about 8118.9110723052. The cubic root of 65916717 is about 403.9539473859.

The spelling of 65916717 in words is "sixty-five million, nine hundred sixteen thousand, seven hundred seventeen".