66112727 has 2 divisors, whose sum is σ = 66112728. Its totient is φ = 66112726.

The previous prime is 66112699. The next prime is 66112733. The reversal of 66112727 is 72721166.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66112727 - 2²⁴ = 49335511 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 66112693 and 66112702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66112777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33056363 + 33056364.

It is an arithmetic number, because the mean of its divisors is an integer number (33056364).

Almost surely, 2^66112727 is an apocalyptic number.

66112727 is a deficient number, since it is larger than the sum of its proper divisors (1).

66112727 is an equidigital number, since it uses as much as digits as its factorization.

66112727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 66112727 is about 8130.9733119719. The cubic root of 66112727 is about 404.3539504199.

The spelling of 66112727 in words is "sixty-six million, one hundred twelve thousand, seven hundred twenty-seven".