164173066530 has 64 divisors (see below), whose sum is σ = 429914262528. Its totient is φ = 39792186560.

The previous prime is 164173066511. The next prime is 164173066531. The reversal of 164173066530 is 35660371461.

It is not an unprimeable number, because it can be changed into a prime (164173066531) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1865377 + ... + 1951403.

It is an arithmetic number, because the mean of its divisors is an integer number (6717410352).

Almost surely, 2^164173066530 is an apocalyptic number.

164173066530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164173066530 is an abundant number, since it is smaller than the sum of its proper divisors (265741195998).

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

164173066530 is a wasteful number, since it uses less digits than its factorization.

164173066530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91831.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 164173066530 in words is "one hundred sixty-four billion, one hundred seventy-three million, sixty-six thousand, five hundred thirty".