858851241161 has 8 divisors (see below), whose sum is σ = 877252806144. Its totient is φ = 840455015200.

The previous prime is 858851241139. The next prime is 858851241167. The reversal of 858851241161 is 161142158858.

It is a happy number.

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

It is not a de Polignac number, because 858851241161 - 2¹⁸ = 858850979017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (858851241167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008740 + ... + 1653861.

It is an arithmetic number, because the mean of its divisors is an integer number (109656600768).

Almost surely, 2^858851241161 is an apocalyptic number.

It is an amenable number.

858851241161 is a deficient number, since it is larger than the sum of its proper divisors (18401564983).

858851241161 is a wasteful number, since it uses less digits than its factorization.

858851241161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669511.

The product of its digits is 614400, while the sum is 50.

The spelling of 858851241161 in words is "eight hundred fifty-eight billion, eight hundred fifty-one million, two hundred forty-one thousand, one hundred sixty-one".