164649112 has 32 divisors (see below), whose sum is σ = 324817920. Its totient is φ = 78140160.

The previous prime is 164649109. The next prime is 164649113. The reversal of 164649112 is 211946461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164649113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5353 + ... + 18919.

It is an arithmetic number, because the mean of its divisors is an integer number (10150560).

Almost surely, 2^164649112 is an apocalyptic number.

It is an amenable number.

164649112 is a deficient number, since it is larger than the sum of its proper divisors (160168808).

164649112 is a wasteful number, since it uses less digits than its factorization.

164649112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13651 (or 13647 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 164649112 is about 12831.5670126450. The cubic root of 164649112 is about 548.0915807659.

The spelling of 164649112 in words is "one hundred sixty-four million, six hundred forty-nine thousand, one hundred twelve".