6668146852 has 12 divisors (see below), whose sum is σ = 11676137200. Its totient is φ = 3332107656.

The previous prime is 6668146801. The next prime is 6668146873. The reversal of 6668146852 is 2586418666.

It is a self number, because there is not a number n which added to its sum of digits gives 6668146852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483798 + ... + 497389.

Almost surely, 2^6668146852 is an apocalyptic number.

It is an amenable number.

6668146852 is a deficient number, since it is larger than the sum of its proper divisors (5007990348).

6668146852 is a wasteful number, since it uses less digits than its factorization.

6668146852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982890 (or 982888 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 6668146852 is about 81658.7218366783. The cubic root of 6668146852 is about 1882.2113382273.

The spelling of 6668146852 in words is "six billion, six hundred sixty-eight million, one hundred forty-six thousand, eight hundred fifty-two".