3030001666 has 4 divisors (see below), whose sum is σ = 4545002502. Its totient is φ = 1515000832.

The previous prime is 3030001651. The next prime is 3030001691. The reversal of 3030001666 is 6661000303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2974066225 + 55935441 = 54535^2 + 7479^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3030001666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757500415 + ... + 757500418.

Almost surely, 2^3030001666 is an apocalyptic number.

3030001666 is a deficient number, since it is larger than the sum of its proper divisors (1515000836).

3030001666 is a wasteful number, since it uses less digits than its factorization.

3030001666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515000835.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3030001666 is about 55045.4509110426. The cubic root of 3030001666 is about 1447.0413975297.

Adding to 3030001666 its reverse (6661000303), we get a palindrome (9691001969).

The spelling of 3030001666 in words is "three billion, thirty million, one thousand, six hundred sixty-six".