164173245 has 16 divisors (see below), whose sum is σ = 265229952. Its totient is φ = 86708160.

The previous prime is 164173237. The next prime is 164173271. The reversal of 164173245 is 542371461.

It is not a de Polignac number, because 164173245 - 2³ = 164173237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51586 + ... + 54675.

It is an arithmetic number, because the mean of its divisors is an integer number (16576872).

Almost surely, 2^164173245 is an apocalyptic number.

164173245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164173245 is a deficient number, since it is larger than the sum of its proper divisors (101056707).

164173245 is a wasteful number, since it uses less digits than its factorization.

164173245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106372.

The product of its digits is 20160, while the sum is 33.

The square root of 164173245 is about 12813.0107703069. The cubic root of 164173245 is about 547.5630418849.

The spelling of 164173245 in words is "one hundred sixty-four million, one hundred seventy-three thousand, two hundred forty-five".