164143055 has 16 divisors (see below), whose sum is σ = 201298944. Its totient is φ = 128459520.

The previous prime is 164143043. The next prime is 164143081. The reversal of 164143055 is 550341461.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-164143055 is a prime.

It is a Duffinian number.

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, 44585 + ... + 48125.

It is an arithmetic number, because the mean of its divisors is an integer number (12581184).

Almost surely, 2^164143055 is an apocalyptic number.

164143055 is a deficient number, since it is larger than the sum of its proper divisors (37155889).

164143055 is a wasteful number, since it uses less digits than its factorization.

164143055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 164143055 is about 12811.8326167649. The cubic root of 164143055 is about 547.5294758357.

The spelling of 164143055 in words is "one hundred sixty-four million, one hundred forty-three thousand, fifty-five".