66112433 has 2 divisors, whose sum is σ = 66112434. Its totient is φ = 66112432.

The previous prime is 66112379. The next prime is 66112441. The reversal of 66112433 is 33421166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50367409 + 15745024 = 7097^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 66112433 - 2¹⁴ = 66096049 is a prime.

It is a super-3 number, since 3×66112433³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (66112463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33056216 + 33056217.

It is an arithmetic number, because the mean of its divisors is an integer number (33056217).

Almost surely, 2^66112433 is an apocalyptic number.

It is an amenable number.

66112433 is a deficient number, since it is larger than the sum of its proper divisors (1).

66112433 is an equidigital number, since it uses as much as digits as its factorization.

66112433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 66112433 is about 8130.9552329354. The cubic root of 66112433 is about 404.3533510384.

Adding to 66112433 its reverse (33421166), we get a palindrome (99533599).

The spelling of 66112433 in words is "sixty-six million, one hundred twelve thousand, four hundred thirty-three".