164205215140230 has 192 divisors, whose sum is σ = 486549730188288. Its totient is φ = 38033150158080.

The previous prime is 164205215140217. The next prime is 164205215140259. The reversal of 164205215140230 is 32041512502461.

164205215140230 is a `hidden beast` number, since 1 + 6 + 4 + 2 + 0 + 5 + 215 + 1 + 402 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15857847 + ... + 24080733.

It is an arithmetic number, because the mean of its divisors is an integer number (2534113178064).

Almost surely, 2^{164205215140230} is an apocalyptic number.

164205215140230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164205215140230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243274865094144).

164205215140230 is an abundant number, since it is smaller than the sum of its proper divisors (322344515048058).

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

164205215140230 is a wasteful number, since it uses less digits than its factorization.

164205215140230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8223811 (or 8223808 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 164205215140230 its reverse (32041512502461), we get a palindrome (196246727642691).

The spelling of 164205215140230 in words is "one hundred sixty-four trillion, two hundred five billion, two hundred fifteen million, one hundred forty thousand, two hundred thirty".