164887 has 8 divisors (see below), whose sum is σ = 176256. Its totient is φ = 153912.

The previous prime is 164881. The next prime is 164893. The reversal of 164887 is 788461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (164881) and next prime (164893).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164887 - 2¹¹ = 162839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (22032).

2¹⁶⁴⁸⁸⁷ is an apocalyptic number.

164887 is a deficient number, since it is larger than the sum of its proper divisors (11369).

164887 is a wasteful number, since it uses less digits than its factorization.

164887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its digits is 10752, while the sum is 34.

The square root of 164887 is about 406.0628030244. The cubic root of 164887 is about 54.8355417934.

The spelling of 164887 in words is "one hundred sixty-four thousand, eight hundred eighty-seven".