164630 has 16 divisors (see below), whose sum is σ = 301104. Its totient is φ = 64800.

The previous prime is 164627. The next prime is 164653. The reversal of 164630 is 36461.

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 in 7 ways as a sum of consecutive naturals, for example, 929 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (18819).

2¹⁶⁴⁶³⁰ is an apocalyptic number.

164630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164630 is a deficient number, since it is larger than the sum of its proper divisors (136474).

164630 is a wasteful number, since it uses less digits than its factorization.

164630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 164630 is about 405.7462261069. The cubic root of 164630 is about 54.8070372975.

The spelling of 164630 in words is "one hundred sixty-four thousand, six hundred thirty".