6672165673 has 2 divisors, whose sum is σ = 6672165674. Its totient is φ = 6672165672.

The previous prime is 6672165623. The next prime is 6672165679. The reversal of 6672165673 is 3765612766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5031348624 + 1640817049 = 70932^2 + 40507^2 .

It is a cyclic number.

It is not a de Polignac number, because 6672165673 - 2⁹ = 6672165161 is a prime.

It is not a weakly prime, because it can be changed into another prime (6672165679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336082836 + 3336082837.

It is an arithmetic number, because the mean of its divisors is an integer number (3336082837).

Almost surely, 2^6672165673 is an apocalyptic number.

It is an amenable number.

6672165673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6672165673 is an equidigital number, since it uses as much as digits as its factorization.

6672165673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The square root of 6672165673 is about 81683.3255505675. The cubic root of 6672165673 is about 1882.5893918552.

The spelling of 6672165673 in words is "six billion, six hundred seventy-two million, one hundred sixty-five thousand, six hundred seventy-three".