65017975163 has 4 divisors (see below), whose sum is σ = 65485730520. Its totient is φ = 64550219808.

The previous prime is 65017975157. The next prime is 65017975171. The reversal of 65017975163 is 36157971056.

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-65017975163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65017975663) 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, 233877470 + ... + 233877747.

It is an arithmetic number, because the mean of its divisors is an integer number (16371432630).

Almost surely, 2^65017975163 is an apocalyptic number.

65017975163 is a deficient number, since it is larger than the sum of its proper divisors (467755357).

65017975163 is a wasteful number, since it uses less digits than its factorization.

65017975163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467755356.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The spelling of 65017975163 in words is "sixty-five billion, seventeen million, nine hundred seventy-five thousand, one hundred sixty-three".