166522210201230 has 64 divisors (see below), whose sum is σ = 433137241470528. Its totient is φ = 40728999168000.

The previous prime is 166522210201229. The next prime is 166522210201327. The reversal of 166522210201230 is 32102012225661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 166522210201191 and 166522210201200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1359747771 + ... + 1359870230.

It is an arithmetic number, because the mean of its divisors is an integer number (6767769397977).

Almost surely, 2^{166522210201230} is an apocalyptic number.

166522210201230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166522210201230 is an abundant number, since it is smaller than the sum of its proper divisors (266615031269298).

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

166522210201230 is a wasteful number, since it uses less digits than its factorization.

166522210201230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719618181.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 166522210201230 its reverse (32102012225661), we get a palindrome (198624222426891).

The spelling of 166522210201230 in words is "one hundred sixty-six trillion, five hundred twenty-two billion, two hundred ten million, two hundred one thousand, two hundred thirty".