6666002625 has 32 divisors (see below), whose sum is σ = 11098638720. Its totient is φ = 3553147200.

The previous prime is 6666002593. The next prime is 6666002639. The reversal of 6666002625 is 5262006666.

It is not a de Polignac number, because 6666002625 - 2⁵ = 6666002593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822091 + ... + 830159.

It is an arithmetic number, because the mean of its divisors is an integer number (346832460).

Almost surely, 2^6666002625 is an apocalyptic number.

It is an amenable number.

6666002625 is a deficient number, since it is larger than the sum of its proper divisors (4432636095).

6666002625 is a wasteful number, since it uses less digits than its factorization.

6666002625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10290 (or 10280 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 6666002625 is about 81645.5915833794. The cubic root of 6666002625 is about 1882.0095669739.

The spelling of 6666002625 in words is "six billion, six hundred sixty-six million, two thousand, six hundred twenty-five".