6666085104 has 80 divisors (see below), whose sum is σ = 19689668352. Its totient is φ = 1903739904.

The previous prime is 6666085073. The next prime is 6666085117. The reversal of 6666085104 is 4015806666.

It is a super-2 number, since 2×6666085104² = 88873381227541381632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433407 + ... + 1438049.

Almost surely, 2^6666085104 is an apocalyptic number.

It is an amenable number.

6666085104 is an abundant number, since it is smaller than the sum of its proper divisors (13023583248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6666085104 is a wasteful number, since it uses less digits than its factorization.

6666085104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8934 (or 8928 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 6666085104 is about 81646.0966856346. The cubic root of 6666085104 is about 1882.0173290284.

The spelling of 6666085104 in words is "six billion, six hundred sixty-six million, eighty-five thousand, one hundred four".