65171107842 has 8 divisors (see below), whose sum is σ = 130342215696. Its totient is φ = 21723702612.

The previous prime is 65171107819. The next prime is 65171107853. The reversal of 65171107842 is 24870117156.

It is a sphenic number, since it is the product of 3 distinct primes.

65171107842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 65171107794 and 65171107803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5430925648 + ... + 5430925659.

It is an arithmetic number, because the mean of its divisors is an integer number (16292776962).

Almost surely, 2^65171107842 is an apocalyptic number.

65171107842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65171107842 is a wasteful number, since it uses less digits than its factorization.

65171107842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10861851312.

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 65171107842 in words is "sixty-five billion, one hundred seventy-one million, one hundred seven thousand, eight hundred forty-two".