6666606060672 has 64 divisors (see below), whose sum is σ = 17708523233760. Its totient is φ = 2222157987840.

The previous prime is 6666606060671. The next prime is 6666606060677. The reversal of 6666606060672 is 2760606066666.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (6666606060671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23452063 + ... + 23734625.

Almost surely, 2^{6666606060672} is an apocalyptic number.

It is an amenable number.

6666606060672 is an abundant number, since it is smaller than the sum of its proper divisors (11041917173088).

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

6666606060672 is a wasteful number, since it uses less digits than its factorization.

6666606060672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344021 (or 344009 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 57.

The spelling of 6666606060672 in words is "six trillion, six hundred sixty-six billion, six hundred six million, sixty thousand, six hundred seventy-two".