6578875666 has 64 divisors (see below), whose sum is σ = 11627089920. Its totient is φ = 2759823360.

The previous prime is 6578875631. The next prime is 6578875711. The reversal of 6578875666 is 6665788756.

It is a junction number, because it is equal to n+sod(n) for n = 6578875598 and 6578875607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5048371 + ... + 5049673.

It is an arithmetic number, because the mean of its divisors is an integer number (181673280).

Almost surely, 2^6578875666 is an apocalyptic number.

6578875666 is a deficient number, since it is larger than the sum of its proper divisors (5048214254).

6578875666 is a wasteful number, since it uses less digits than its factorization.

6578875666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639.

The product of its digits is 101606400, while the sum is 64.

The square root of 6578875666 is about 81110.2685607686. The cubic root of 6578875666 is about 1873.7740765958.

The spelling of 6578875666 in words is "six billion, five hundred seventy-eight million, eight hundred seventy-five thousand, six hundred sixty-six".