6685993576 has 32 divisors (see below), whose sum is σ = 12588609600. Its totient is φ = 3329061120.

The previous prime is 6685993493. The next prime is 6685993591. The reversal of 6685993576 is 6753995866.

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 7 ways as a sum of consecutive naturals, for example, 2669941 + ... + 2672443.

It is an arithmetic number, because the mean of its divisors is an integer number (393394050).

Almost surely, 2^6685993576 is an apocalyptic number.

It is an amenable number.

6685993576 is a deficient number, since it is larger than the sum of its proper divisors (5902616024).

6685993576 is a wasteful number, since it uses less digits than its factorization.

6685993576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3765 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 64.

The square root of 6685993576 is about 81767.9251051413. The cubic root of 6685993576 is about 1883.8890348649.

The spelling of 6685993576 in words is "six billion, six hundred eighty-five million, nine hundred ninety-three thousand, five hundred seventy-six".