164205460 has 24 divisors (see below), whose sum is σ = 347354280. Its totient is φ = 65201664.

The previous prime is 164205427. The next prime is 164205469. The reversal of 164205460 is 64502461.

It can be written as a sum of positive squares in 4 ways, for example, as 1948816 + 162256644 = 1396^2 + 12738^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164205469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27225 + ... + 32704.

It is an arithmetic number, because the mean of its divisors is an integer number (14473095).

Almost surely, 2^164205460 is an apocalyptic number.

164205460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164205460 is an abundant number, since it is smaller than the sum of its proper divisors (183148820).

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

164205460 is a wasteful number, since it uses less digits than its factorization.

164205460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60075 (or 60073 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164205460 is about 12814.2678292597. The cubic root of 164205460 is about 547.5988548452.

The spelling of 164205460 in words is "one hundred sixty-four million, two hundred five thousand, four hundred sixty".