164805584888 has 64 divisors (see below), whose sum is σ = 372244032000. Its totient is φ = 66823166592.

The previous prime is 164805584791. The next prime is 164805584939. The reversal of 164805584888 is 888485508461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686318 + ... + 894786.

It is an arithmetic number, because the mean of its divisors is an integer number (5816313000).

Almost surely, 2^164805584888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164805584888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186122016000).

164805584888 is an abundant number, since it is smaller than the sum of its proper divisors (207438447112).

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

164805584888 is a wasteful number, since it uses less digits than its factorization.

164805584888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209244 (or 209240 counting only the distinct ones).

The product of its (nonzero) digits is 78643200, while the sum is 65.

The spelling of 164805584888 in words is "one hundred sixty-four billion, eight hundred five million, five hundred eighty-four thousand, eight hundred eighty-eight".