3071201666 has 16 divisors (see below), whose sum is σ = 4986885624. Its totient is φ = 1410130944.

The previous prime is 3071201663. The next prime is 3071201689. The reversal of 3071201666 is 6661021703.

It can be written as a sum of positive squares in 4 ways, for example, as 2271952225 + 799249441 = 47665^2 + 28271^2 .

It is not an unprimeable number, because it can be changed into a prime (3071201663) 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, 301001 + ... + 311036.

Almost surely, 2^3071201666 is an apocalyptic number.

3071201666 is a deficient number, since it is larger than the sum of its proper divisors (1915683958).

3071201666 is a wasteful number, since it uses less digits than its factorization.

3071201666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612245.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 3071201666 is about 55418.4235250336. The cubic root of 3071201666 is about 1453.5705372142.

The spelling of 3071201666 in words is "three billion, seventy-one million, two hundred one thousand, six hundred sixty-six".