164009816192 has 32 divisors (see below), whose sum is σ = 337278259200. Its totient is φ = 79359586560.

The previous prime is 164009816189. The next prime is 164009816213. The reversal of 164009816192 is 291618900461.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20662592 + ... + 20670527.

It is an arithmetic number, because the mean of its divisors is an integer number (10539945600).

Almost surely, 2^164009816192 is an apocalyptic number.

It is an amenable number.

164009816192 is an abundant number, since it is smaller than the sum of its proper divisors (173268443008).

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

164009816192 is an equidigital number, since it uses as much as digits as its factorization.

164009816192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41333164 (or 41333152 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 164009816192 in words is "one hundred sixty-four billion, nine million, eight hundred sixteen thousand, one hundred ninety-two".