85165318 has 16 divisors (see below), whose sum is σ = 147847680. Its totient is φ = 36036936.

The previous prime is 85165313. The next prime is 85165331. The reversal of 85165318 is 81356158.

It is a super-2 number, since 2×85165318² = 14506262780082248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85165313) 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, 37396 + ... + 39607.

It is an arithmetic number, because the mean of its divisors is an integer number (9240480).

Almost surely, 2^85165318 is an apocalyptic number.

85165318 is a deficient number, since it is larger than the sum of its proper divisors (62682362).

85165318 is a wasteful number, since it uses less digits than its factorization.

85165318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77091.

The product of its digits is 28800, while the sum is 37.

The square root of 85165318 is about 9228.5057295317. The cubic root of 85165318 is about 439.9678316703.

The spelling of 85165318 in words is "eighty-five million, one hundred sixty-five thousand, three hundred eighteen".