164143005 has 32 divisors (see below), whose sum is σ = 283704960. Its totient is φ = 80559360.

The previous prime is 164142949. The next prime is 164143043. The reversal of 164143005 is 500341461.

It is not a de Polignac number, because 164143005 - 2⁹ = 164142493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72795 + ... + 75015.

It is an arithmetic number, because the mean of its divisors is an integer number (8865780).

Almost surely, 2^164143005 is an apocalyptic number.

164143005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164143005 is a deficient number, since it is larger than the sum of its proper divisors (119561955).

164143005 is a wasteful number, since it uses less digits than its factorization.

164143005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 164143005 is about 12811.8306654436. The cubic root of 164143005 is about 547.5294202410.

Adding to 164143005 its reverse (500341461), we get a palindrome (664484466).

The spelling of 164143005 in words is "one hundred sixty-four million, one hundred forty-three thousand, five".