164910173 has 4 divisors (see below), whose sum is σ = 170229888. Its totient is φ = 159590460.

The previous prime is 164910167. The next prime is 164910191. The reversal of 164910173 is 371019461.

164910173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 371019461 = 37 ⋅10027553.

It is a cyclic number.

It is not a de Polignac number, because 164910173 - 2⁴ = 164910157 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 (164910773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659811 + ... + 2659872.

It is an arithmetic number, because the mean of its divisors is an integer number (42557472).

Almost surely, 2^164910173 is an apocalyptic number.

It is an amenable number.

164910173 is a deficient number, since it is larger than the sum of its proper divisors (5319715).

164910173 is an equidigital number, since it uses as much as digits as its factorization.

164910173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319714.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 164910173 is about 12841.7355914222. The cubic root of 164910173 is about 548.3811051116.

The spelling of 164910173 in words is "one hundred sixty-four million, nine hundred ten thousand, one hundred seventy-three".