6666572112 has 40 divisors (see below), whose sum is σ = 17225474880. Its totient is φ = 2221739520.

The previous prime is 6666572063. The next prime is 6666572119. The reversal of 6666572112 is 2112756666.

It is a super-2 number, since 2×6666572112² = 88886367448992281088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666572119) 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, 294312 + ... + 316152.

It is an arithmetic number, because the mean of its divisors is an integer number (430636872).

Almost surely, 2^6666572112 is an apocalyptic number.

It is an amenable number.

6666572112 is an abundant number, since it is smaller than the sum of its proper divisors (10558902768).

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

6666572112 is a wasteful number, since it uses less digits than its factorization.

6666572112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28211 (or 28205 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 6666572112 is about 81649.0790640041. The cubic root of 6666572112 is about 1882.0631597852.

The spelling of 6666572112 in words is "six billion, six hundred sixty-six million, five hundred seventy-two thousand, one hundred twelve".