66200041 has 2 divisors, whose sum is σ = 66200042. Its totient is φ = 66200040.

The previous prime is 66199999. The next prime is 66200051. The reversal of 66200041 is 14000266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 1879641 = 8020^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 66200041 - 2²¹ = 64102889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66199991 and 66200018.

It is not a weakly prime, because it can be changed into another prime (66200051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33100020 + 33100021.

It is an arithmetic number, because the mean of its divisors is an integer number (33100021).

Almost surely, 2^66200041 is an apocalyptic number.

It is an amenable number.

66200041 is a deficient number, since it is larger than the sum of its proper divisors (1).

66200041 is an equidigital number, since it uses as much as digits as its factorization.

66200041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 66200041 is about 8136.3407622837. The cubic root of 66200041 is about 404.5318800019.

The spelling of 66200041 in words is "sixty-six million, two hundred thousand, forty-one".