164170 has 8 divisors (see below), whose sum is σ = 295524. Its totient is φ = 65664.
The previous prime is 164149. The next prime is 164173. The reversal of 164170 is 71461.
164170 = T118 + T119 + ... + T137.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 6561 = 397^2 + 81^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (164173) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8199 + ... + 8218.
2164170 is an apocalyptic number.
164170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
164170 is a deficient number, since it is larger than the sum of its proper divisors (131354).
164170 is a wasteful number, since it uses less digits than its factorization.
164170 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16424.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 164170 is about 405.1789728009. The cubic root of 164170 is about 54.7559434204.
It can be divided in two parts, 1641 and 70, that added together give a triangular number (1711 = T58).
The spelling of 164170 in words is "one hundred sixty-four thousand, one hundred seventy".
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