85994161 has 12 divisors (see below), whose sum is σ = 95877360. Its totient is φ = 76491560.

The previous prime is 85994141. The next prime is 85994173. The reversal of 85994161 is 16149958.

It is not a de Polignac number, because 85994161 - 2¹¹ = 85992113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85994101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22530 + ... + 26068.

It is an arithmetic number, because the mean of its divisors is an integer number (7989780).

Almost surely, 2^85994161 is an apocalyptic number.

It is an amenable number.

85994161 is a deficient number, since it is larger than the sum of its proper divisors (9883199).

85994161 is a wasteful number, since it uses less digits than its factorization.

85994161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3644 (or 3597 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 85994161 is about 9273.3036723705. The cubic root of 85994161 is about 441.3905063379.

The spelling of 85994161 in words is "eighty-five million, nine hundred ninety-four thousand, one hundred sixty-one".