65216614 has 8 divisors (see below), whose sum is σ = 97938360. Its totient is φ = 32570496.

The previous prime is 65216611. The next prime is 65216623. The reversal of 65216614 is 41661256.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65216611) 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, 16699 + ... + 20230.

It is an arithmetic number, because the mean of its divisors is an integer number (12242295).

Almost surely, 2^65216614 is an apocalyptic number.

65216614 is a deficient number, since it is larger than the sum of its proper divisors (32721746).

65216614 is a wasteful number, since it uses less digits than its factorization.

65216614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37814.

The product of its digits is 8640, while the sum is 31.

The square root of 65216614 is about 8075.6804047709. The cubic root of 65216614 is about 402.5187193434.

The spelling of 65216614 in words is "sixty-five million, two hundred sixteen thousand, six hundred fourteen".