66010027 has 4 divisors (see below), whose sum is σ = 66103840. Its totient is φ = 65916216.

The previous prime is 66010019. The next prime is 66010037. The reversal of 66010027 is 72001066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72001066 = 2 ⋅36000533.

It is a cyclic number.

It is not a de Polignac number, because 66010027 - 2³ = 66010019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66010037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45843 + ... + 47260.

It is an arithmetic number, because the mean of its divisors is an integer number (16525960).

Almost surely, 2^66010027 is an apocalyptic number.

66010027 is a deficient number, since it is larger than the sum of its proper divisors (93813).

66010027 is an equidigital number, since it uses as much as digits as its factorization.

66010027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93812.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 66010027 is about 8124.6555003889. The cubic root of 66010027 is about 404.1444664369.

The spelling of 66010027 in words is "sixty-six million, ten thousand, twenty-seven".