164816 has 10 divisors (see below), whose sum is σ = 319362. Its totient is φ = 82400.

The previous prime is 164809. The next prime is 164821. The reversal of 164816 is 618461.

It can be written as a sum of positive squares in only one way, i.e., 163216 + 1600 = 404^2 + 40^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5135 + ... + 5166.

2¹⁶⁴⁸¹⁶ is an apocalyptic number.

164816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164816 is a deficient number, since it is larger than the sum of its proper divisors (154546).

164816 is a wasteful number, since it uses less digits than its factorization.

164816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309 (or 10303 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 164816 is about 405.9753687110. The cubic root of 164816 is about 54.8276699733.

The spelling of 164816 in words is "one hundred sixty-four thousand, eight hundred sixteen".