164524889328 has 40 divisors (see below), whose sum is σ = 425505172176. Its totient is φ = 54779366400.

The previous prime is 164524889317. The next prime is 164524889381. The reversal of 164524889328 is 823988425461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903003 + ... + 1987578.

Almost surely, 2^164524889328 is an apocalyptic number.

It is an amenable number.

164524889328 is an abundant number, since it is smaller than the sum of its proper divisors (260980282848).

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

164524889328 is a wasteful number, since it uses less digits than its factorization.

164524889328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891473 (or 3891467 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The spelling of 164524889328 in words is "one hundred sixty-four billion, five hundred twenty-four million, eight hundred eighty-nine thousand, three hundred twenty-eight".