164955 has 16 divisors (see below), whose sum is σ = 301824. Its totient is φ = 75360.

The previous prime is 164953. The next prime is 164963. The reversal of 164955 is 559461.

164955 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164955 - 2¹ = 164953 is a prime.

164955 is strictly pandigital in base 7.

164955 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (164953) 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, 681 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (18864).

2¹⁶⁴⁹⁵⁵ is an apocalyptic number.

164955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164955 is a deficient number, since it is larger than the sum of its proper divisors (136869).

164955 is a wasteful number, since it uses less digits than its factorization.

164955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 5400, while the sum is 30.

The square root of 164955 is about 406.1465252837. The cubic root of 164955 is about 54.8430788832.

The spelling of 164955 in words is "one hundred sixty-four thousand, nine hundred fifty-five".