66836411 has 2 divisors, whose sum is σ = 66836412. Its totient is φ = 66836410.

The previous prime is 66836377. The next prime is 66836443. The reversal of 66836411 is 11463866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66836411 - 2¹⁰ = 66835387 is a prime.

It is not a weakly prime, because it can be changed into another prime (66836311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33418205 + 33418206.

It is an arithmetic number, because the mean of its divisors is an integer number (33418206).

Almost surely, 2^66836411 is an apocalyptic number.

66836411 is a deficient number, since it is larger than the sum of its proper divisors (1).

66836411 is an equidigital number, since it uses as much as digits as its factorization.

66836411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 66836411 is about 8175.3538761328. The cubic root of 66836411 is about 405.8239811461.

The spelling of 66836411 in words is "sixty-six million, eight hundred thirty-six thousand, four hundred eleven".