85166158 has 32 divisors (see below), whose sum is σ = 168645888. Its totient is φ = 31228800.

The previous prime is 85166117. The next prime is 85166173.

85166158 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 85166158.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13648 + ... + 18883.

It is an arithmetic number, because the mean of its divisors is an integer number (5270184).

Almost surely, 2^85166158 is an apocalyptic number.

85166158 is a deficient number, since it is larger than the sum of its proper divisors (83479730).

85166158 is a wasteful number, since it uses less digits than its factorization.

85166158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32568.

The product of its digits is 57600, while the sum is 40.

The square root of 85166158 is about 9228.5512405794. The cubic root of 85166158 is about 439.9692781580.

The spelling of 85166158 in words is "eighty-five million, one hundred sixty-six thousand, one hundred fifty-eight".