285500166 has 32 divisors (see below), whose sum is σ = 665894400. Its totient is φ = 81570888.

The previous prime is 285500161. The next prime is 285500183. The reversal of 285500166 is 661005582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285500161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67306 + ... + 71421.

It is an arithmetic number, because the mean of its divisors is an integer number (20809200).

Almost surely, 2^285500166 is an apocalyptic number.

285500166 is an abundant number, since it is smaller than the sum of its proper divisors (380394234).

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

285500166 is a wasteful number, since it uses less digits than its factorization.

285500166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138753 (or 138739 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 285500166 is about 16896.7501609037. The cubic root of 285500166 is about 658.4691840068.

The spelling of 285500166 in words is "two hundred eighty-five million, five hundred thousand, one hundred sixty-six".