164355 has 8 divisors (see below), whose sum is σ = 262992. Its totient is φ = 87648.

The previous prime is 164341. The next prime is 164357. The reversal of 164355 is 553461.

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

It is not a de Polignac number, because 164355 - 2⁶ = 164291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5464 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (32874).

2¹⁶⁴³⁵⁵ is an apocalyptic number.

164355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164355 is a deficient number, since it is larger than the sum of its proper divisors (98637).

164355 is a wasteful number, since it uses less digits than its factorization.

164355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10965.

The product of its digits is 1800, while the sum is 24.

The square root of 164355 is about 405.4072026987. The cubic root of 164355 is about 54.7765035042.

It can be divided in two parts, 16 and 4355, that added together give a triangular number (4371 = T₉₃).

The spelling of 164355 in words is "one hundred sixty-four thousand, three hundred fifty-five".