164560272 has 40 divisors (see below), whose sum is σ = 450122976. Its totient is φ = 51626496.

The previous prime is 164560271. The next prime is 164560303. The reversal of 164560272 is 272065461.

It is not an unprimeable number, because it can be changed into a prime (164560271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100018 + ... + 101649.

Almost surely, 2^164560272 is an apocalyptic number.

164560272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164560272 is an abundant number, since it is smaller than the sum of its proper divisors (285562704).

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

164560272 is a wasteful number, since it uses less digits than its factorization.

164560272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201695 (or 201689 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 164560272 is about 12828.1047703860. The cubic root of 164560272 is about 547.9929847966.

The spelling of 164560272 in words is "one hundred sixty-four million, five hundred sixty thousand, two hundred seventy-two".