6672165589 has 2 divisors, whose sum is σ = 6672165590. Its totient is φ = 6672165588.

The previous prime is 6672165581. The next prime is 6672165623. The reversal of 6672165589 is 9855612766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6631333489 + 40832100 = 81433^2 + 6390^2 .

It is a cyclic number.

It is not a de Polignac number, because 6672165589 - 2³ = 6672165581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6672165581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336082794 + 3336082795.

It is an arithmetic number, because the mean of its divisors is an integer number (3336082795).

Almost surely, 2^6672165589 is an apocalyptic number.

It is an amenable number.

6672165589 is a deficient number, since it is larger than the sum of its proper divisors (1).

6672165589 is an equidigital number, since it uses as much as digits as its factorization.

6672165589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 55.

The square root of 6672165589 is about 81683.3250363867. The cubic root of 6672165589 is about 1882.5893839549.

The spelling of 6672165589 in words is "six billion, six hundred seventy-two million, one hundred sixty-five thousand, five hundred eighty-nine".