164133272 has 32 divisors (see below), whose sum is σ = 319280400. Its totient is φ = 79008384.

The previous prime is 164133271. The next prime is 164133287. The reversal of 164133272 is 272331461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164133271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101978 + ... + 103574.

Almost surely, 2^164133272 is an apocalyptic number.

It is an amenable number.

164133272 is a deficient number, since it is larger than the sum of its proper divisors (155147128).

164133272 is a wasteful number, since it uses less digits than its factorization.

164133272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2071 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 164133272 is about 12811.4508155790. The cubic root of 164133272 is about 547.5185979518.

The spelling of 164133272 in words is "one hundred sixty-four million, one hundred thirty-three thousand, two hundred seventy-two".