164244135 has 64 divisors (see below), whose sum is σ = 296110080. Its totient is φ = 77066880.

The previous prime is 164244131. The next prime is 164244161. The reversal of 164244135 is 531442461.

164244135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164244135 - 2² = 164244131 is a prime.

It is a super-2 number, since 2×164244135² = 53952271763796450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164244131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 917476 + ... + 917654.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 2^164244135 is an apocalyptic number.

164244135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164244135 is a deficient number, since it is larger than the sum of its proper divisors (131865945).

164244135 is a wasteful number, since it uses less digits than its factorization.

164244135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 11520, while the sum is 30.

The square root of 164244135 is about 12815.7768004909. The cubic root of 164244135 is about 547.6418431097.

Adding to 164244135 its reverse (531442461), we get a palindrome (695686596).

The spelling of 164244135 in words is "one hundred sixty-four million, two hundred forty-four thousand, one hundred thirty-five".