164163205 has 8 divisors (see below), whose sum is σ = 197619192. Its totient is φ = 130915008.

The previous prime is 164163187. The next prime is 164163217. The reversal of 164163205 is 502361461.

164163205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16248961 + 147914244 = 4031^2 + 12162^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164163205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50202 + ... + 53371.

It is an arithmetic number, because the mean of its divisors is an integer number (24702399).

Almost surely, 2^164163205 is an apocalyptic number.

It is an amenable number.

164163205 is a deficient number, since it is larger than the sum of its proper divisors (33455987).

164163205 is a wasteful number, since it uses less digits than its factorization.

164163205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103895.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 164163205 is about 12812.6189750574. The cubic root of 164163205 is about 547.5518796012.

It can be divided in two parts, 1641 and 63205, that added together give a palindrome (64846).

The spelling of 164163205 in words is "one hundred sixty-four million, one hundred sixty-three thousand, two hundred five".