164133872 has 20 divisors (see below), whose sum is σ = 363439536. Its totient is φ = 70343040.

The previous prime is 164133869. The next prime is 164133919. The reversal of 164133872 is 278331461.

It is a congruent number.

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, 732629 + ... + 732852.

Almost surely, 2^164133872 is an apocalyptic number.

It is an amenable number.

164133872 is an abundant number, since it is smaller than the sum of its proper divisors (199305664).

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

164133872 is a wasteful number, since it uses less digits than its factorization.

164133872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465496 (or 1465490 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 164133872 is about 12811.4742321093. The cubic root of 164133872 is about 547.5192651144.

The spelling of 164133872 in words is "one hundred sixty-four million, one hundred thirty-three thousand, eight hundred seventy-two".