164520230 has 16 divisors (see below), whose sum is σ = 338441760. Its totient is φ = 56406912.

The previous prime is 164520227. The next prime is 164520247. The reversal of 164520230 is 32025461.

It is a junction number, because it is equal to n+sod(n) for n = 164520196 and 164520205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175075 + ... + 1175214.

It is an arithmetic number, because the mean of its divisors is an integer number (21152610).

Almost surely, 2^164520230 is an apocalyptic number.

164520230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164520230 is an abundant number, since it is smaller than the sum of its proper divisors (173921530).

164520230 is a wasteful number, since it uses less digits than its factorization.

164520230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350303.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 164520230 is about 12826.5439616445. The cubic root of 164520230 is about 547.9485339807.

Adding to 164520230 its reverse (32025461), we get a palindrome (196545691).

The spelling of 164520230 in words is "one hundred sixty-four million, five hundred twenty thousand, two hundred thirty".