65511250602216 has 32 divisors (see below), whose sum is σ = 163888118620800. Its totient is φ = 21822417918720.

The previous prime is 65511250602199. The next prime is 65511250602227. The reversal of 65511250602216 is 61220605211556.

It is a super-2 number, since 2×65511250602216² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916564480 + ... + 916635951.

It is an arithmetic number, because the mean of its divisors is an integer number (5121503706900).

Almost surely, 2^{65511250602216} is an apocalyptic number.

It is an amenable number.

65511250602216 is an abundant number, since it is smaller than the sum of its proper divisors (98376868018584).

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

65511250602216 is a wasteful number, since it uses less digits than its factorization.

65511250602216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833201929 (or 1833201925 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 65511250602216 in words is "sixty-five trillion, five hundred eleven billion, two hundred fifty million, six hundred two thousand, two hundred sixteen".