85544168 has 8 divisors (see below), whose sum is σ = 160395330. Its totient is φ = 42772080.

The previous prime is 85544167. The next prime is 85544177. The reversal of 85544168 is 86144558.

It can be written as a sum of positive squares in only one way, i.e., 43059844 + 42484324 = 6562^2 + 6518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (85544167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5346503 + ... + 5346518.

Almost surely, 2^85544168 is an apocalyptic number.

It is an amenable number.

85544168 is a deficient number, since it is larger than the sum of its proper divisors (74851162).

85544168 is a wasteful number, since it uses less digits than its factorization.

85544168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693027 (or 10693023 counting only the distinct ones).

The product of its digits is 153600, while the sum is 41.

The square root of 85544168 is about 9249.0090279986. The cubic root of 85544168 is about 440.6192520284.

The spelling of 85544168 in words is "eighty-five million, five hundred forty-four thousand, one hundred sixty-eight".