16670212 has 24 divisors (see below), whose sum is σ = 31706136. Its totient is φ = 7623168.

The previous prime is 16670209. The next prime is 16670233. The reversal of 16670212 is 21207661.

It can be written as a sum of positive squares in 4 ways, for example, as 2876416 + 13793796 = 1696^2 + 3714^2 .

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, 4458 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (1321089).

Almost surely, 2^16670212 is an apocalyptic number.

It is an amenable number.

16670212 is a deficient number, since it is larger than the sum of its proper divisors (15035924).

16670212 is a wasteful number, since it uses less digits than its factorization.

16670212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 16670212 is about 4082.9170944314. The cubic root of 16670212 is about 255.4545883296.

Adding to 16670212 its reverse (21207661), we get a palindrome (37877873).

The spelling of 16670212 in words is "sixteen million, six hundred seventy thousand, two hundred twelve".