6578802668 has 24 divisors (see below), whose sum is σ = 12121460400. Its totient is φ = 3115603008.

The previous prime is 6578802667. The next prime is 6578802679. The reversal of 6578802668 is 8662088756.

It is not an unprimeable number, because it can be changed into a prime (6578802667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648338 + ... + 658406.

It is an arithmetic number, because the mean of its divisors is an integer number (505060850).

Almost surely, 2^6578802668 is an apocalyptic number.

It is an amenable number.

6578802668 is a deficient number, since it is larger than the sum of its proper divisors (5542657732).

6578802668 is a wasteful number, since it uses less digits than its factorization.

6578802668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18689 (or 18687 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The square root of 6578802668 is about 81109.8185671747. The cubic root of 6578802668 is about 1873.7671462188.

The spelling of 6578802668 in words is "six billion, five hundred seventy-eight million, eight hundred two thousand, six hundred sixty-eight".