164173013 has 4 divisors (see below), whose sum is σ = 164236800. Its totient is φ = 164109228.

The previous prime is 164173007. The next prime is 164173043. The reversal of 164173013 is 310371461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310371461 = 1601 ⋅193861.

It is a cyclic number.

It is not a de Polignac number, because 164173013 - 2⁴ = 164172997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164173043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27863 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (41059200).

Almost surely, 2^164173013 is an apocalyptic number.

It is an amenable number.

164173013 is a deficient number, since it is larger than the sum of its proper divisors (63787).

164173013 is an equidigital number, since it uses as much as digits as its factorization.

164173013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63786.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 164173013 is about 12813.0017170061. The cubic root of 164173013 is about 547.5627839567.

The spelling of 164173013 in words is "one hundred sixty-four million, one hundred seventy-three thousand, thirteen".