66230141 has 2 divisors, whose sum is σ = 66230142. Its totient is φ = 66230140.

The previous prime is 66230137. The next prime is 66230161. The reversal of 66230141 is 14103266.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62884900 + 3345241 = 7930^2 + 1829^2 .

It is a cyclic number.

It is not a de Polignac number, because 66230141 - 2² = 66230137 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66230161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33115070 + 33115071.

It is an arithmetic number, because the mean of its divisors is an integer number (33115071).

Almost surely, 2^66230141 is an apocalyptic number.

It is an amenable number.

66230141 is a deficient number, since it is larger than the sum of its proper divisors (1).

66230141 is an equidigital number, since it uses as much as digits as its factorization.

66230141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 66230141 is about 8138.1902779426. The cubic root of 66230141 is about 404.5931819004.

It can be divided in two parts, 662 and 30141, that added together give a palindrome (30803).

The spelling of 66230141 in words is "sixty-six million, two hundred thirty thousand, one hundred forty-one".