164544512 has 90 divisors (see below), whose sum is σ = 366072924. Its totient is φ = 73891840.

The previous prime is 164544491. The next prime is 164544517. The reversal of 164544512 is 215445461.

It is a Harshad number since it is a multiple of its sum of digits (32).

Its product of digits (19200) is a multiple of the sum of its prime divisors (96).

It is not an unprimeable number, because it can be changed into a prime (164544517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1982423 + ... + 1982505.

Almost surely, 2^164544512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164544512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183036462).

164544512 is an abundant number, since it is smaller than the sum of its proper divisors (201528412).

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

164544512 is an frugal number, since it uses more digits than its factorization.

164544512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 96 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 164544512 is about 12827.4904794352. The cubic root of 164544512 is about 547.9754904058.

Adding to 164544512 its reverse (215445461), we get a palindrome (379989973).

The spelling of 164544512 in words is "one hundred sixty-four million, five hundred forty-four thousand, five hundred twelve".