6685566095 has 16 divisors (see below), whose sum is σ = 8660463840. Its totient is φ = 4925230464.

The previous prime is 6685566077. The next prime is 6685566187. The reversal of 6685566095 is 5906655866.

It is a cyclic number.

It is not a de Polignac number, because 6685566095 - 2¹⁸ = 6685303951 is a prime.

It is a super-2 number, since 2×6685566095² = 89393588021227098050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6685566095.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 95504 + ... + 149973.

It is an arithmetic number, because the mean of its divisors is an integer number (541278990).

Almost surely, 2^6685566095 is an apocalyptic number.

6685566095 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6685566095 is a deficient number, since it is larger than the sum of its proper divisors (1974897745).

6685566095 is a wasteful number, since it uses less digits than its factorization.

6685566095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245914.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The square root of 6685566095 is about 81765.3110738289. The cubic root of 6685566095 is about 1883.8488840670.

The spelling of 6685566095 in words is "six billion, six hundred eighty-five million, five hundred sixty-six thousand, ninety-five".