3666500212 has 6 divisors (see below), whose sum is σ = 6416375378. Its totient is φ = 1833250104.

The previous prime is 3666500209. The next prime is 3666500213. The reversal of 3666500212 is 2120056663.

3666500212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1918089616 + 1748410596 = 43796^2 + 41814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666500213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458312523 + ... + 458312530.

Almost surely, 2^3666500212 is an apocalyptic number.

It is an amenable number.

3666500212 is a deficient number, since it is larger than the sum of its proper divisors (2749875166).

3666500212 is a wasteful number, since it uses less digits than its factorization.

3666500212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916625057 (or 916625055 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3666500212 is about 60551.6326121765. The cubic root of 3666500212 is about 1541.9983351287.

Adding to 3666500212 its reverse (2120056663), we get a palindrome (5786556875).

The spelling of 3666500212 in words is "three billion, six hundred sixty-six million, five hundred thousand, two hundred twelve".