65216516 has 12 divisors (see below), whose sum is σ = 115001040. Its totient is φ = 32359080.

The previous prime is 65216497. The next prime is 65216519. The reversal of 65216516 is 61561256.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65216519) 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, 61706 + ... + 62753.

It is an arithmetic number, because the mean of its divisors is an integer number (9583420).

Almost surely, 2^65216516 is an apocalyptic number.

It is an amenable number.

65216516 is a deficient number, since it is larger than the sum of its proper divisors (49784524).

65216516 is a wasteful number, since it uses less digits than its factorization.

65216516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124594 (or 124592 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 65216516 is about 8075.6743371684. The cubic root of 65216516 is about 402.5185177237.

The spelling of 65216516 in words is "sixty-five million, two hundred sixteen thousand, five hundred sixteen".