65116319 has 8 divisors (see below), whose sum is σ = 66878592. Its totient is φ = 63365400.

The previous prime is 65116313. The next prime is 65116327. The reversal of 65116319 is 91361156.

It is a happy number.

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 65116319 - 2⁸ = 65116063 is a prime.

It is a super-2 number, since 2×65116319² = 8480270000219522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65116313) 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, 9494 + ... + 14844.

It is an arithmetic number, because the mean of its divisors is an integer number (8359824).

Almost surely, 2^65116319 is an apocalyptic number.

65116319 is a deficient number, since it is larger than the sum of its proper divisors (1762273).

65116319 is a wasteful number, since it uses less digits than its factorization.

65116319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its digits is 4860, while the sum is 32.

The square root of 65116319 is about 8069.4683220148. The cubic root of 65116319 is about 402.3122723193.

The spelling of 65116319 in words is "sixty-five million, one hundred sixteen thousand, three hundred nineteen".