164023513581324 has 144 divisors (see below), whose sum is σ = 415235339205120. Its totient is φ = 50360309529600.

The previous prime is 164023513581299. The next prime is 164023513581331. The reversal of 164023513581324 is 423185315320461.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4710729987 + ... + 4710764805.

It is an arithmetic number, because the mean of its divisors is an integer number (2883578744480).

Almost surely, 2^{164023513581324} 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 164023513581324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207617669602560).

164023513581324 is an abundant number, since it is smaller than the sum of its proper divisors (251211825623796).

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

164023513581324 is a wasteful number, since it uses less digits than its factorization.

164023513581324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63808 (or 63789 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 164023513581324 in words is "one hundred sixty-four trillion, twenty-three billion, five hundred thirteen million, five hundred eighty-one thousand, three hundred twenty-four".