6685928295866 has 8 divisors (see below), whose sum is σ = 10198873671840. Its totient is φ = 3286303738588.

The previous prime is 6685928295817. The next prime is 6685928295883.

It is a happy number.

6685928295866 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28330204526 + ... + 28330204761.

It is an arithmetic number, because the mean of its divisors is an integer number (1274859208980).

Almost surely, 2^{6685928295866} is an apocalyptic number.

6685928295866 is a deficient number, since it is larger than the sum of its proper divisors (3512945375974).

6685928295866 is a wasteful number, since it uses less digits than its factorization.

6685928295866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56660409348.

The product of its digits is 5374771200, while the sum is 80.

The spelling of 6685928295866 in words is "six trillion, six hundred eighty-five billion, nine hundred twenty-eight million, two hundred ninety-five thousand, eight hundred sixty-six".