66060829 has 2 divisors, whose sum is σ = 66060830. Its totient is φ = 66060828.

The previous prime is 66060823. The next prime is 66060871. The reversal of 66060829 is 92806066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 27060804 = 6245^2 + 5202^2 .

It is a cyclic number.

It is not a de Polignac number, because 66060829 - 2³ = 66060821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66060821) 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 as a sum of consecutive naturals, namely, 33030414 + 33030415.

It is an arithmetic number, because the mean of its divisors is an integer number (33030415).

Almost surely, 2^66060829 is an apocalyptic number.

It is an amenable number.

66060829 is a deficient number, since it is larger than the sum of its proper divisors (1).

66060829 is an equidigital number, since it uses as much as digits as its factorization.

66060829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 66060829 is about 8127.7813085737. The cubic root of 66060829 is about 404.2481177725.

The spelling of 66060829 in words is "sixty-six million, sixty thousand, eight hundred twenty-nine".