164531193 has 8 divisors (see below), whose sum is σ = 225304128. Its totient is φ = 106722864.

The previous prime is 164531183. The next prime is 164531221. The reversal of 164531193 is 391135461.

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

It is not a de Polignac number, because 164531193 - 2¹⁷ = 164400121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164531183) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 741021 + ... + 741242.

It is an arithmetic number, because the mean of its divisors is an integer number (28163016).

Almost surely, 2^164531193 is an apocalyptic number.

It is an amenable number.

164531193 is a deficient number, since it is larger than the sum of its proper divisors (60772935).

164531193 is a wasteful number, since it uses less digits than its factorization.

164531193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482303.

The product of its digits is 9720, while the sum is 33.

The square root of 164531193 is about 12826.9713104848. The cubic root of 164531193 is about 547.9607047764.

The spelling of 164531193 in words is "one hundred sixty-four million, five hundred thirty-one thousand, one hundred ninety-three".