65843828166 has 32 divisors (see below), whose sum is σ = 133246442880. Its totient is φ = 21688438464.

The previous prime is 65843828123. The next prime is 65843828201. The reversal of 65843828166 is 66182834856.

65843828166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884301 + ... + 955863.

It is an arithmetic number, because the mean of its divisors is an integer number (4163951340).

Almost surely, 2^65843828166 is an apocalyptic number.

65843828166 is an abundant number, since it is smaller than the sum of its proper divisors (67402614714).

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

65843828166 is a wasteful number, since it uses less digits than its factorization.

65843828166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73380.

The product of its digits is 13271040, while the sum is 57.

The spelling of 65843828166 in words is "sixty-five billion, eight hundred forty-three million, eight hundred twenty-eight thousand, one hundred sixty-six".