164285286 has 32 divisors (see below), whose sum is σ = 377308800. Its totient is φ = 47162880.

The previous prime is 164285281. The next prime is 164285293. The reversal of 164285286 is 682582461.

It is a super-2 number, since 2×164285286² = 53979310392203592, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164285281) 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, 64251 + ... + 66758.

It is an arithmetic number, because the mean of its divisors is an integer number (11790900).

Almost surely, 2^164285286 is an apocalyptic number.

164285286 is an abundant number, since it is smaller than the sum of its proper divisors (213023514).

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

164285286 is a wasteful number, since it uses less digits than its factorization.

164285286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131044.

The product of its digits is 184320, while the sum is 42.

The square root of 164285286 is about 12817.3821820214. The cubic root of 164285286 is about 547.6875761027.

The spelling of 164285286 in words is "one hundred sixty-four million, two hundred eighty-five thousand, two hundred eighty-six".