65286109948956 has 24 divisors (see below), whose sum is σ = 164052276282384. Its totient is φ = 20088033830400.

The previous prime is 65286109948949. The next prime is 65286109948967. The reversal of 65286109948956 is 65984990168256.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

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, 209250352245 + ... + 209250352556.

It is an arithmetic number, because the mean of its divisors is an integer number (6835511511766).

Almost surely, 2^{65286109948956} is an apocalyptic number.

It is an amenable number.

65286109948956 is an abundant number, since it is smaller than the sum of its proper divisors (98766166333428).

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

65286109948956 is a wasteful number, since it uses less digits than its factorization.

65286109948956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418500704821 (or 418500704819 counting only the distinct ones).

The product of its (nonzero) digits is 2015539200, while the sum is 78.

The spelling of 65286109948956 in words is "sixty-five trillion, two hundred eighty-six billion, one hundred nine million, nine hundred forty-eight thousand, nine hundred fifty-six".