65385696216 has 32 divisors (see below), whose sum is σ = 165300922800. Its totient is φ = 21550341120.

The previous prime is 65385696197. The next prime is 65385696221. The reversal of 65385696216 is 61269658356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15303505 + ... + 15307776.

Almost surely, 2^65385696216 is an apocalyptic number.

It is an amenable number.

65385696216 is an abundant number, since it is smaller than the sum of its proper divisors (99915226584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65385696216 is a wasteful number, since it uses less digits than its factorization.

65385696216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30611379 (or 30611375 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 57.

The spelling of 65385696216 in words is "sixty-five billion, three hundred eighty-five million, six hundred ninety-six thousand, two hundred sixteen".