166204230 has 16 divisors (see below), whose sum is σ = 398890224. Its totient is φ = 44321120.

The previous prime is 166204219. The next prime is 166204243. The reversal of 166204230 is 32402661.

It is a self number, because there is not a number n which added to its sum of digits gives 166204230.

It is a congruent number.

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, 2770041 + ... + 2770100.

It is an arithmetic number, because the mean of its divisors is an integer number (24930639).

Almost surely, 2^166204230 is an apocalyptic number.

166204230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166204230 is an abundant number, since it is smaller than the sum of its proper divisors (232685994).

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

166204230 is a wasteful number, since it uses less digits than its factorization.

166204230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540151.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 166204230 is about 12892.0219515792. The cubic root of 166204230 is about 549.8117592723.

Adding to 166204230 its reverse (32402661), we get a palindrome (198606891).

The spelling of 166204230 in words is "one hundred sixty-six million, two hundred four thousand, two hundred thirty".