164451135 has 16 divisors (see below), whose sum is σ = 269241984. Its totient is φ = 85667232.

The previous prime is 164451109. The next prime is 164451169. The reversal of 164451135 is 531154461.

164451135 = 5733² + 5734² + ... + 5737².

It is a happy number.

It is not a de Polignac number, because 164451135 - 2⁶ = 164451071 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 126837 + ... + 128126.

It is an arithmetic number, because the mean of its divisors is an integer number (16827624).

Almost surely, 2^164451135 is an apocalyptic number.

164451135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164451135 is a deficient number, since it is larger than the sum of its proper divisors (104790849).

164451135 is a wasteful number, since it uses less digits than its factorization.

164451135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255014.

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

The square root of 164451135 is about 12823.8502408598. The cubic root of 164451135 is about 547.8718143266.

The spelling of 164451135 in words is "one hundred sixty-four million, four hundred fifty-one thousand, one hundred thirty-five".