164605193 has 8 divisors (see below), whose sum is σ = 171437760. Its totient is φ = 157898160.

The previous prime is 164605187. The next prime is 164605213. The reversal of 164605193 is 391506461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164605193 - 2²² = 160410889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164605163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28703 + ... + 33956.

It is an arithmetic number, because the mean of its divisors is an integer number (21429720).

Almost surely, 2^164605193 is an apocalyptic number.

It is an amenable number.

164605193 is a deficient number, since it is larger than the sum of its proper divisors (6832567).

164605193 is an equidigital number, since it uses as much as digits as its factorization.

164605193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62767.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 164605193 is about 12829.8555330916. The cubic root of 164605193 is about 548.0428432325.

The spelling of 164605193 in words is "one hundred sixty-four million, six hundred five thousand, one hundred ninety-three".