85166340 has 48 divisors (see below), whose sum is σ = 272533632. Its totient is φ = 19466496.

The previous prime is 85166339. The next prime is 85166351. The reversal of 85166340 is 4366158.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100969 + ... + 101808.

It is an arithmetic number, because the mean of its divisors is an integer number (5677784).

Almost surely, 2^85166340 is an apocalyptic number.

It is an amenable number.

85166340 is an abundant number, since it is smaller than the sum of its proper divisors (187367292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85166340 is a wasteful number, since it uses less digits than its factorization.

85166340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202796 (or 202794 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 85166340 is about 9228.5611012768. The cubic root of 85166340 is about 439.9695915624.

The spelling of 85166340 in words is "eighty-five million, one hundred sixty-six thousand, three hundred forty".