164541135 has 16 divisors (see below), whose sum is σ = 287199360. Its totient is φ = 79777440.

The previous prime is 164541133. The next prime is 164541187. The reversal of 164541135 is 531145461.

It is a happy number.

It is not a de Polignac number, because 164541135 - 2¹ = 164541133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164541131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498445 + ... + 498774.

It is an arithmetic number, because the mean of its divisors is an integer number (17949960).

Almost surely, 2^164541135 is an apocalyptic number.

164541135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164541135 is a deficient number, since it is larger than the sum of its proper divisors (122658225).

164541135 is a wasteful number, since it uses less digits than its factorization.

164541135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997238.

The product of its digits is 7200, while the sum is 30.

The square root of 164541135 is about 12827.3588474011. The cubic root of 164541135 is about 547.9717416210.

Adding to 164541135 its reverse (531145461), we get a palindrome (695686596).

The spelling of 164541135 in words is "one hundred sixty-four million, five hundred forty-one thousand, one hundred thirty-five".