6670188612 has 36 divisors (see below), whose sum is σ = 17852565276. Its totient is φ = 2092608000.

The previous prime is 6670188611. The next prime is 6670188617. The reversal of 6670188612 is 2168810766.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3215570436 + 3454618176 = 56706^2 + 58776^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6670188612² = 88982832239308973088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6670188611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5448889 + ... + 5450112.

It is an arithmetic number, because the mean of its divisors is an integer number (495904591).

Almost surely, 2^6670188612 is an apocalyptic number.

It is an amenable number.

6670188612 is an abundant number, since it is smaller than the sum of its proper divisors (11182376664).

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

6670188612 is a wasteful number, since it uses less digits than its factorization.

6670188612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10899028 (or 10899023 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 6670188612 is about 81671.2226674733. Note that the first 3 decimals coincide. The cubic root of 6670188612 is about 1882.4034271607.

The spelling of 6670188612 in words is "six billion, six hundred seventy million, one hundred eighty-eight thousand, six hundred twelve".