66112411 has 4 divisors (see below), whose sum is σ = 66730392. Its totient is φ = 65494432.

The previous prime is 66112379. The next prime is 66112433. The reversal of 66112411 is 11421166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66112411 - 2⁵ = 66112379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66112441) 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, 308830 + ... + 309043.

It is an arithmetic number, because the mean of its divisors is an integer number (16682598).

Almost surely, 2^66112411 is an apocalyptic number.

66112411 is a deficient number, since it is larger than the sum of its proper divisors (617981).

66112411 is a wasteful number, since it uses less digits than its factorization.

66112411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617980.

The product of its digits is 288, while the sum is 22.

The square root of 66112411 is about 8130.9538800807. The cubic root of 66112411 is about 404.3533061867.

Adding to 66112411 its reverse (11421166), we get a palindrome (77533577).

The spelling of 66112411 in words is "sixty-six million, one hundred twelve thousand, four hundred eleven".