164544210 has 40 divisors (see below), whose sum is σ = 442443276. Its totient is φ = 43878240.

The previous prime is 164544209. The next prime is 164544257. The reversal of 164544210 is 12445461.

164544210 is a `hidden beast` number, since 1 + 645 + 4 + 4 + 2 + 10 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 159441129 + 5103081 = 12627^2 + 2259^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 100761 + ... + 102380.

Almost surely, 2^164544210 is an apocalyptic number.

164544210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164544210 is an abundant number, since it is smaller than the sum of its proper divisors (277899066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164544210 is a wasteful number, since it uses less digits than its factorization.

164544210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203160 (or 203151 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 164544210 is about 12827.4787078365. The cubic root of 164544210 is about 547.9751551597.

Adding to 164544210 its reverse (12445461), we get a palindrome (176989671).

The spelling of 164544210 in words is "one hundred sixty-four million, five hundred forty-four thousand, two hundred ten".