66010843 has 2 divisors, whose sum is σ = 66010844. Its totient is φ = 66010842.

The previous prime is 66010837. The next prime is 66010859. The reversal of 66010843 is 34801066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66010843 - 2¹⁷ = 65879771 is a prime.

It is not a weakly prime, because it can be changed into another prime (66010823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33005421 + 33005422.

It is an arithmetic number, because the mean of its divisors is an integer number (33005422).

Almost surely, 2^66010843 is an apocalyptic number.

66010843 is a deficient number, since it is larger than the sum of its proper divisors (1).

66010843 is an equidigital number, since it uses as much as digits as its factorization.

66010843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 66010843 is about 8124.7057177476. The cubic root of 66010843 is about 404.1461317421.

The spelling of 66010843 in words is "sixty-six million, ten thousand, eight hundred forty-three".