65841432163 has 4 divisors (see below), whose sum is σ = 70906157728. Its totient is φ = 60776706600.

The previous prime is 65841432121. The next prime is 65841432211. The reversal of 65841432163 is 36123414856.

65841432163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65841432163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65841430163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532362763 + ... + 2532362788.

It is an arithmetic number, because the mean of its divisors is an integer number (17726539432).

Almost surely, 2^65841432163 is an apocalyptic number.

65841432163 is a deficient number, since it is larger than the sum of its proper divisors (5064725565).

65841432163 is a wasteful number, since it uses less digits than its factorization.

65841432163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064725564.

The product of its digits is 414720, while the sum is 43.

The spelling of 65841432163 in words is "sixty-five billion, eight hundred forty-one million, four hundred thirty-two thousand, one hundred sixty-three".