166600212 has 24 divisors (see below), whose sum is σ = 389992512. Its totient is φ = 55353600.

The previous prime is 166600199. The next prime is 166600219. The reversal of 166600212 is 212006661.

166600212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166600219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18589 + ... + 26052.

It is an arithmetic number, because the mean of its divisors is an integer number (16249688).

Almost surely, 2^166600212 is an apocalyptic number.

166600212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166600212 is an abundant number, since it is smaller than the sum of its proper divisors (223392300).

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

166600212 is a wasteful number, since it uses less digits than its factorization.

166600212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44959 (or 44957 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 166600212 is about 12907.3704525748. The cubic root of 166600212 is about 550.2480556007.

Adding to 166600212 its reverse (212006661), we get a palindrome (378606873).

The spelling of 166600212 in words is "one hundred sixty-six million, six hundred thousand, two hundred twelve".