85051166 has 16 divisors (see below), whose sum is σ = 131995008. Its totient is φ = 41059200.

The previous prime is 85051157. The next prime is 85051189. The reversal of 85051166 is 66115058.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30986 + ... + 33618.

It is an arithmetic number, because the mean of its divisors is an integer number (8249688).

Almost surely, 2^85051166 is an apocalyptic number.

85051166 is a deficient number, since it is larger than the sum of its proper divisors (46943842).

85051166 is a wasteful number, since it uses less digits than its factorization.

85051166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 85051166 is about 9222.3189057850. The cubic root of 85051166 is about 439.7711723382.

The spelling of 85051166 in words is "eighty-five million, fifty-one thousand, one hundred sixty-six".