164205330 has 16 divisors (see below), whose sum is σ = 394092864. Its totient is φ = 43788080.

The previous prime is 164205299. The next prime is 164205341. The reversal of 164205330 is 33502461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164205330.

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, 2736726 + ... + 2736785.

It is an arithmetic number, because the mean of its divisors is an integer number (24630804).

Almost surely, 2^164205330 is an apocalyptic number.

164205330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164205330 is an abundant number, since it is smaller than the sum of its proper divisors (229887534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164205330 is a wasteful number, since it uses less digits than its factorization.

164205330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473521.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 164205330 is about 12814.2627567878. The cubic root of 164205330 is about 547.5987103354.

Adding to 164205330 its reverse (33502461), we get a palindrome (197707791).

The spelling of 164205330 in words is "one hundred sixty-four million, two hundred five thousand, three hundred thirty".