66630002 has 16 divisors (see below), whose sum is σ = 102894624. Its totient is φ = 32340000.

The previous prime is 66629989. The next prime is 66630013. The reversal of 66630002 is 20003666.

It is a self number, because there is not a number n which added to its sum of digits gives 66630002.

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, 15377 + ... + 19227.

It is an arithmetic number, because the mean of its divisors is an integer number (6430914).

Almost surely, 2^66630002 is an apocalyptic number.

66630002 is a deficient number, since it is larger than the sum of its proper divisors (36264622).

66630002 is a wasteful number, since it uses less digits than its factorization.

66630002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 66630002 is about 8162.7202573652. The cubic root of 66630002 is about 405.4057854373.

Adding to 66630002 its reverse (20003666), we get a palindrome (86633668).

The spelling of 66630002 in words is "sixty-six million, six hundred thirty thousand, two".