666006037 has 2 divisors, whose sum is σ = 666006038. Its totient is φ = 666006036.

The previous prime is 666006013. The next prime is 666006041. The reversal of 666006037 is 730600666.

666006037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644855236 + 21150801 = 25394^2 + 4599^2 .

It is a cyclic number.

It is not a de Polignac number, because 666006037 - 2¹⁹ = 665481749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666005993 and 666006011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (666006007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333003018 + 333003019.

It is an arithmetic number, because the mean of its divisors is an integer number (333003019).

Almost surely, 2^666006037 is an apocalyptic number.

It is an amenable number.

666006037 is a deficient number, since it is larger than the sum of its proper divisors (1).

666006037 is an equidigital number, since it uses as much as digits as its factorization.

666006037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 666006037 is about 25807.0927653620. The cubic root of 666006037 is about 873.2918127837.

The spelling of 666006037 in words is "six hundred sixty-six million, six thousand, thirty-seven".