6600002 has 4 divisors (see below), whose sum is σ = 9900006. Its totient is φ = 3300000.

The previous prime is 6600001. The next prime is 6600031. The reversal of 6600002 is 2000066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000066 = 2 ⋅1000033.

It can be written as a sum of positive squares in only one way, i.e., 3575881 + 3024121 = 1891^2 + 1739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6600002.

It is not an unprimeable number, because it can be changed into a prime (6600001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1649999 + ... + 1650002.

Almost surely, 2^6600002 is an apocalyptic number.

6600002 is a deficient number, since it is larger than the sum of its proper divisors (3300004).

6600002 is a wasteful number, since it uses less digits than its factorization.

6600002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300003.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 6600002 is about 2569.0469049825. The cubic root of 6600002 is about 187.5777644839.

Adding to 6600002 its reverse (2000066), we get a palindrome (8600068).

The spelling of 6600002 in words is "six million, six hundred thousand, two".