3213666207 has 12 divisors (see below), whose sum is σ = 4642615224. Its totient is φ = 2142142800.

The previous prime is 3213666187. The next prime is 3213666217. The reversal of 3213666207 is 7026663123.

It is not a de Polignac number, because 3213666207 - 2¹⁰ = 3213665183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213666217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56332 + ... + 97982.

It is an arithmetic number, because the mean of its divisors is an integer number (386884602).

Almost surely, 2^3213666207 is an apocalyptic number.

3213666207 is a deficient number, since it is larger than the sum of its proper divisors (1428949017).

3213666207 is a wasteful number, since it uses less digits than its factorization.

3213666207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50230 (or 50227 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 3213666207 is about 56689.2071473927. The cubic root of 3213666207 is about 1475.7074009086.

The spelling of 3213666207 in words is "three billion, two hundred thirteen million, six hundred sixty-six thousand, two hundred seven".