164040230 has 16 divisors (see below), whose sum is σ = 295588224. Its totient is φ = 65545920.

The previous prime is 164040223. The next prime is 164040241. The reversal of 164040230 is 32040461.

It is a happy number.

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, 1634 + ... + 18186.

It is an arithmetic number, because the mean of its divisors is an integer number (18474264).

Almost surely, 2^164040230 is an apocalyptic number.

164040230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164040230 is a deficient number, since it is larger than the sum of its proper divisors (131547994).

164040230 is a wasteful number, since it uses less digits than its factorization.

164040230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17551.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 164040230 is about 12807.8190961615. The cubic root of 164040230 is about 547.4151213610.

Adding to 164040230 its reverse (32040461), we get a palindrome (196080691).

The spelling of 164040230 in words is "one hundred sixty-four million, forty thousand, two hundred thirty".