3662211866 has 16 divisors (see below), whose sum is σ = 5547259080. Its totient is φ = 1813147200.

The previous prime is 3662211821. The next prime is 3662211871. The reversal of 3662211866 is 6681122663.

3662211866 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 4 ways, for example, as 3574246225 + 87965641 = 59785^2 + 9379^2 .

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, 410000 + ... + 418836.

Almost surely, 2^3662211866 is an apocalyptic number.

3662211866 is a deficient number, since it is larger than the sum of its proper divisors (1885047214).

3662211866 is a wasteful number, since it uses less digits than its factorization.

3662211866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10849.

The product of its digits is 124416, while the sum is 41.

The square root of 3662211866 is about 60516.2115965631. The cubic root of 3662211866 is about 1541.3969258163.

The spelling of 3662211866 in words is "three billion, six hundred sixty-two million, two hundred eleven thousand, eight hundred sixty-six".