65844422444856 has 96 divisors (see below), whose sum is σ = 180952960608000. Its totient is φ = 19950998126400.

The previous prime is 65844422444837. The next prime is 65844422444891.

65844422444856 is nontrivially palindromic in base 10.

65844422444856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30310491 + ... + 32410101.

It is an arithmetic number, because the mean of its divisors is an integer number (1884926673000).

Almost surely, 2^{65844422444856} is an apocalyptic number.

65844422444856 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65844422444856 is an abundant number, since it is smaller than the sum of its proper divisors (115108538163144).

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

65844422444856 is a wasteful number, since it uses less digits than its factorization.

65844422444856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110441 (or 2110426 counting only the distinct ones).

The product of its digits is 943718400, while the sum is 66.

The spelling of 65844422444856 in words is "sixty-five trillion, eight hundred forty-four billion, four hundred twenty-two million, four hundred forty-four thousand, eight hundred fifty-six".