66010411 has 4 divisors (see below), whose sum is σ = 66033000. Its totient is φ = 65987824.

The previous prime is 66010397. The next prime is 66010421. The reversal of 66010411 is 11401066.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11401066 = 2 ⋅5700533.

It is a cyclic number.

It is not a de Polignac number, because 66010411 - 2⁵ = 66010379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66010421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6121 + ... + 13018.

It is an arithmetic number, because the mean of its divisors is an integer number (16508250).

Almost surely, 2^66010411 is an apocalyptic number.

66010411 is a deficient number, since it is larger than the sum of its proper divisors (22589).

66010411 is a wasteful number, since it uses less digits than its factorization.

66010411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22588.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 66010411 is about 8124.6791321258. The cubic root of 66010411 is about 404.1452501116.

Adding to 66010411 its reverse (11401066), we get a palindrome (77411477).

The spelling of 66010411 in words is "sixty-six million, ten thousand, four hundred eleven".