164261272 has 32 divisors (see below), whose sum is σ = 353527200. Its totient is φ = 70089984.

The previous prime is 164261267. The next prime is 164261291. The reversal of 164261272 is 272162461.

164261272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6754 + ... + 19342.

It is an arithmetic number, because the mean of its divisors is an integer number (11047725).

Almost surely, 2^164261272 is an apocalyptic number.

It is an amenable number.

164261272 is an abundant number, since it is smaller than the sum of its proper divisors (189265928).

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

164261272 is a wasteful number, since it uses less digits than its factorization.

164261272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12835 (or 12831 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 164261272 is about 12816.4453730354. The cubic root of 164261272 is about 547.6608891715.

The spelling of 164261272 in words is "one hundred sixty-four million, two hundred sixty-one thousand, two hundred seventy-two".