65655216050 has 24 divisors (see below), whose sum is σ = 123260008176. Its totient is φ = 26016644240.

The previous prime is 65655216049. The next prime is 65655216059. The reversal of 65655216050 is 5061255656.

It is a super-4 number, since 4×65655216050⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65655215989 and 65655216007.

It is not an unprimeable number, because it can be changed into a prime (65655216059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6130652 + ... + 6141351.

It is an arithmetic number, because the mean of its divisors is an integer number (5135833674).

Almost surely, 2^65655216050 is an apocalyptic number.

65655216050 is a deficient number, since it is larger than the sum of its proper divisors (57604792126).

65655216050 is a wasteful number, since it uses less digits than its factorization.

65655216050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272122 (or 12272117 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 65655216050 in words is "sixty-five billion, six hundred fifty-five million, two hundred sixteen thousand, fifty".