164785205 has 16 divisors (see below), whose sum is σ = 213252480. Its totient is φ = 121516608.

The previous prime is 164785189. The next prime is 164785223. The reversal of 164785205 is 502587461.

164785205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 164785205 - 2⁴ = 164785189 is a prime.

It is a super-3 number, since 3×164785205³ (a number of 26 digits) contains 333 as substring.

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, 62606 + ... + 65184.

It is an arithmetic number, because the mean of its divisors is an integer number (13328280).

Almost surely, 2^164785205 is an apocalyptic number.

It is an amenable number.

164785205 is a deficient number, since it is larger than the sum of its proper divisors (48467275).

164785205 is a wasteful number, since it uses less digits than its factorization.

164785205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 164785205 is about 12836.8689718327. The cubic root of 164785205 is about 548.2425500696.

The spelling of 164785205 in words is "one hundred sixty-four million, seven hundred eighty-five thousand, two hundred five".