164537072 has 20 divisors (see below), whose sum is σ = 364332336. Its totient is φ = 70515840.

The previous prime is 164537071. The next prime is 164537089. The reversal of 164537072 is 270735461.

164537072 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 not an unprimeable number, because it can be changed into a prime (164537071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734429 + ... + 734652.

Almost surely, 2^164537072 is an apocalyptic number.

It is an amenable number.

164537072 is an abundant number, since it is smaller than the sum of its proper divisors (199795264).

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

164537072 is a wasteful number, since it uses less digits than its factorization.

164537072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469096 (or 1469090 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 164537072 is about 12827.2004739928. The cubic root of 164537072 is about 547.9672312443.

The spelling of 164537072 in words is "one hundred sixty-four million, five hundred thirty-seven thousand, seventy-two".