164320234 has 16 divisors (see below), whose sum is σ = 276982272. Its totient is φ = 72542448.

The previous prime is 164320229. The next prime is 164320297. The reversal of 164320234 is 432023461.

It is a super-2 number, since 2×164320234² = 54002278603629512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164320199 and 164320208.

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, 136794 + ... + 137989.

It is an arithmetic number, because the mean of its divisors is an integer number (17311392).

Almost surely, 2^164320234 is an apocalyptic number.

164320234 is a deficient number, since it is larger than the sum of its proper divisors (112662038).

164320234 is a wasteful number, since it uses less digits than its factorization.

164320234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274821.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 164320234 is about 12818.7454144312. The cubic root of 164320234 is about 547.7264094208.

Adding to 164320234 its reverse (432023461), we get a palindrome (596343695).

The spelling of 164320234 in words is "one hundred sixty-four million, three hundred twenty thousand, two hundred thirty-four".